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Upcoming Events

Event Date and Location Summary
Maryam Ghazisaeidi, Ohio State University, High entropy alloys: mechanical properties and phase stability Mon. November 19th, 2018
12:45 pm-1:45 pm
at Rockefeller 221 (Les Foldy Room)

High entropy alloys: mechanical properties and phase stability Maryam Ghazisaeidi, Department of Materials Science and Engineering, Ohio State University The


External website: https://ghazisaeidigroup.engineering.osu.edu/
Samo Kralj,Josef Stefan Institute in Ljubljana and University of Maribor, Slovenia, Topological defects in nematic liquid crystals: playground of fundamental physics Mon. December 3rd, 2018
12:45 pm-1:45 pm
at Rockefeller 221 (Les Foldy Room)

Topological defects in nematic liquid crystals: playground of fundamental physics Samo Kralj   1Faculty of Natural Sciences and Mathematics, University

Horacio Castillo, Ohio University Mon. April 15th, 2019
12:45 am-1:45 am
at Rockefeller 221 (Les Foldy Room)

Host: Philip Taylor


External website: https://www.ohio.edu/cas/physastro/faculty/profiles.cfm?profile=castillh
Aldo Romero, West Virginia University, Mon. April 22nd, 2019
12:45 am-1:45 am
at Rockefeller 221 (Les Foldy Room)

host Walter Lambrecht


External website: https://physics.wvu.edu/faculty-and-staff/faculty/aldo-romero

Past Events

Event Date Summary
Joe Trodahl, Victoria University of Wellington, Rare-earth nitrides; semiconductors, spin/orbit magnetism, tunnelling MRAM, superconductivity Mon. November 12th, 2018
12:45 pm-1:45 pm

Rare-earth nitrides; semiconductors, spin/orbit magnetism, tunnelling MRAM, superconductivity Joe Trodahl  MacDiarmid Institute for Advanced Materials and Nanotechnology Victoria University of

F. De Angelis, Istituto Italiano di Tecnologia, Genoa, Italy, 3D plasmonic nanostructures for biology and medicine Mon. November 5th, 2018
12:45 pm-1:45 pm

3D plasmonic nanostructures for biology and medicine Francesco De Angelis Istituto Italiano di Tecnologia, Genoa, Italy In this talk we

Ezekiel Johnston-Halperin, The Ohio State University, Quantum Magnonics in V[TCNE]2 Mon. October 29th, 2018
12:45 pm-1:45 pm

Quantum Magnonics in V[TCNE]2   The study of quantum coherent magnonic interactions relies implicitly on the ability to excite and

Mike Martens (CWRU Physics) Thu. October 25th, 2018
4:00 pm-5:00 pm

Conserving Helium: A story of MgB2 superconducting wire and MRI magnets The fabrication of MgB2 superconducting wire has enabled the

Sergey Kravchenko, Northeastern University, The latest developments in the field of the metal-insulator transition in 2D Mon. October 15th, 2018
12:45 pm-1:45 pm

Sergey Kravchenko, Northeastern University The latest developments in the field of the metal-insulator transition in 2D Abstract: Ignited by the

Tim Linden (Ohio State University) Mon. October 1st, 2018
12:45 pm-1:45 pm

Michelson Postdoctoral Prize Lecture 1 Astrophysical Signatures of Dark Matter Accumulation in Neutron Stars Over the past few decades, terrestrial

Alkan Kabakcioglu, Koc University, DNA folding thermo/dynamics with a twist Mon. September 24th, 2018
12:45 pm-1:45 pm

 DNA folding thermo/dynamics with a twist Alkan Kabakcioglu, Koc University, Istanbul DNA denaturation is possibly one of the earliest problems

no seminar/faculty meeting Mon. September 17th, 2018
12:45 pm-2:00 pm
Wei-Cheng Lee, Binghamton University-SUNY, Orbital Selective Mott Transition in Thin Film VO2 Mon. April 23rd, 2018
12:45 pm-1:45 pm

Orbital Selective Mott Transition in Thin Film VO2 Wei-Cheng Lee Department of Physics, Applied Physics, and Astronomy, Binghamton University –

Fac. meeting Mon. April 16th, 2018
12:45 pm-1:45 pm
Susan Fullerton, University of Pittsburgh, Using Ions to Control Transport in 2D Materials Mon. April 2nd, 2018
12:45 pm-1:45 pm

Using Ions to Control Transport in 2D Materials Susan Fullerton, University of Pittsburgh   Electrostatic gating of two-dimensional (2D) materials

Olle Heinonen, Argonne National Laboratories, Quantum Monte Carlo modeling of real materials Fri. March 30th, 2018
3:30 pm-4:30 pm

Quantum Monte Carlo modeling of real materials Olle Heinonen, Argonne National Laboratory   Because of recent advances in algorithms and

Benjamin Fregoso, Dept of Physics, Kent State University, Nonlinear photocurrents in two-dimensional ferroelectrics and beyond Wed. March 28th, 2018
12:45 pm-1:45 pm

 Nonlinear photocurrents in two-dimensional ferroelectrics and beyond Benjamin Fregoso, Dept. of Physics, Kent State University Abstract: In recent years, it

Katy Keenan Applied Physics Division, Physical Measurement Lab National Institute of Standards and Technology Quantitative MRI for Precision Medicine Thu. March 22nd, 2018
2:00 pm-3:00 pm

IMAGING PHYSICS SEMINAR Katy Keenan Applied Physics Division, Physical Measurement Lab National Institute of Standards and Technology Quantitative MRI for

Debra McGivney, Dept. Radiology CWRU, Inverse Problems in Medical Imaging Tue. March 20th, 2018
1:00 pm-2:00 pm

IMAGING PHYSICS SEMINAR Debra McGivney Research Scientist, Department of Radiology Case Western Reserve University Inverse Problems in Medical Imaging Mathematical

Yuan-Ming Lu, The Ohio State University, Tunable Surface States of Topological Materials Mon. March 19th, 2018
12:45 pm-1:45 pm

Tunable Surface States of Topological Materials Yuan-Ming Lu, The Ohio State University   The discovery of topological insulators revealed a

Alexey Tonyushkin University of Massachusetts Boston, Breaking the Rules in Magnetic Particle Imaging and Ultra-High Field MRI Thu. March 15th, 2018
12:30 pm-1:30 pm

IMAGING PHYSICS SEMINAR Alexey Tonyushkin University of Massachusetts Boston Breaking the Rules in Magnetic Particle Imaging and Ultra-High Field MRI

Spring break ( no seminar) Mon. March 12th, 2018
12:45 pm-1:45 pm
Michael Boss, NIST, Quantitative MRI: from Bench to Bedside Mon. March 12th, 2018
4:30 pm-5:30 pm

IMAGING PHYSICS SEMINAR Michael Boss National Institute of Standards and Technology Quantitative MRI: from Bench to Bedside Quantitative MRI: from

APS March Meeting ( no seminars) Mon. March 5th, 2018
12:45 pm-1:45 pm
APS March Meeting preview: student practice talks Mon. February 26th, 2018
12:30 pm-2:00 pm

Shuhao Liu:  A Temperature Driven Hole-phonon Coupling Enhancement Effect in a Strongly Correlated 2D Hole System. Kasun V. M. N.

Andrew Stephens, Northwestern U., Separating the role of chromatin from lamins in mechanics and morphology of the cell nucleus Thu. February 22nd, 2018
4:30 pm-5:30 pm

Separating the role of chromatin from lamins in mechanics and morphology of the cell nucleus Andrew Stephens, Northwestern U. The

Fac. meeting Mon. February 19th, 2018
12:45 pm-1:45 pm

No seminar physics fac. meeting

Lydia Kisley, Univ. Illinois at Urbana-Champaign, Proteins in nanoporous hydrogels: adsorption, diffusion, and folding Mon. February 19th, 2018
4:30 pm-5:30 pm

Proteins in nanoporous hydrogels: adsorption, diffusion, and folding Lydia Kisley Beckman Institute, University of Illinois at Urbana-Champaign Abstract:  Proteins within

Maxim Dzero, Kent State University, Spins & Knots: The rise of Topology in f-orbital materials Mon. January 29th, 2018
12:45 pm-1:45 pm

Spins & Knots: The rise of Topology in f-orbital materials Maxim Dzero Kent State University In my talk I will

Elshad Allahyarov, Duisburg-Essen University and CWRU, Smectic monolayer confined on a sphere: topology at the particle scale Mon. January 22nd, 2018
12:45 pm-1:45 pm

Prof. Dr. Elshad Allahyarov,  Duisburg-Essen University, Germany, and  Physics Department  CWRU Smectic monolayer confined on a sphere: topology at the

Samo Kralj, University of Maribor, Impact of intrinsic and extrinsic curvature on membrane shapes Wed. November 29th, 2017
12:30 pm-1:30 pm

Prof. Samo Kralj University of Maribor, Maribor & Jožef Stefan Institute, Ljubljana, Slovenia    Impact of intrinsic and extrinsic curvature

No seminar, Faculty meeting Mon. November 27th, 2017
12:45 pm-2:00 pm
Farida Selim, Bowling Green State University, Positron Annihilation Spectroscopy and Measurements of Origin of Novel Electronic Phenomena in Semiconductors and Oxides Mon. November 20th, 2017
12:45 pm-1:45 pm

Positron Annihilation Spectroscopy and Measurements of Origin of Novel Electronic Phenomena in Semiconductors and Oxides     Farida A. Selim, Department of

Vincent Sokalski, Carnegie Mellon University, A New Kind of Magnetism – The Dzyaloshinskii-Moriya Interaction Mon. November 13th, 2017
12:45 pm-1:45 pm

A New Kind of Magnetism – The Dzyaloshinskii-Moriya Interaction Vincent Sokalski, Dept. of Materials Science and Engineering, Carnegie Mellon University

Jeanie Lau, The Ohio State University, Spin, Charge and Heat Transport in Low-Dimensional Materials Mon. November 6th, 2017
12:45 pm-1:45 pm

Spin, Charge and Heat Transport in Low-Dimensional Materials Chun Ning (Jeanie) Lau Department of Physics, The Ohio State University, Columbus,

Eric Stinaff, Ohio University, Opto-electronic studies of novel self-contacted 2D materials based devices Mon. October 16th, 2017
12:45 pm-1:45 pm

Opto-electronic studies of novel self-contacted 2D materials based devices Eric Stinaff Department of Physics and Astronomy, Ohio University Interest in

Michael Fisch, Kent State University, X-ray Experiments in Liquid Crystal Science and Technology Mon. October 9th, 2017
12:45 pm-1:45 pm

X-ray Experiments in Liquid Crystal Science and Technology Michael Fisch Kent State University   The use of X-rays to study

No seminar, faculty meeting Mon. October 2nd, 2017
12:45 pm-2:00 pm
Maosheng Miao, California State University Northridge, Automatic search versus chemical rules in materials structure study Mon. September 25th, 2017
12:45 pm-1:45 pm

Automatic search versus chemical rules in materials structure study Maosheng Miao Department of Chemistry and Biochemistry, California State University Northridge

Liang Wu, UC Berkeley, MPPL3, Antiferromagnetic resonance and in-gap terahertz continuum in Kitaev Honeycomb magnet α−RuCl3 Fri. September 15th, 2017
12:45 pm-1:45 pm

Antiferromagnetic resonance and in-gap terahertz continuum in Kitaev Honeycone magnet α−RuCl3 Spin-1/2 moments in the antiferromagnetic Mott insulator α-RuCl3 are

Liang Wu, University California Berkeley, MPPL2,Giant nonlinear optical responses in Weyl semimetals Tue. September 12th, 2017
11:30 pm-12:30 pm

Giant nonlinear optical responses in Weyl semimetals Recently Weyl quasi-particles have been observed in transition metal monopnictides (TMMPs) such as

Liang Wu, University California Berkeley, MPPL1, Low-energy Electrodynamics of 3D Topological Insulators Mon. September 11th, 2017
12:45 pm-1:45 pm

Low-energy Electrodynamics of 3D Topological Insulators   Topological insulators (TIs) are a recently discovered state of matter characterized by an

Condensed Matter Seminar: Jie Gao, Missouri University of Science and Technology (University of Missouri – Rolla) Thu. May 11th, 2017
11:30 am-12:30 pm

Jie Gao Missouri University of Science and Technology (University of Missouri – Rolla) Tailoring light-matter interaction with metamaterials and metasurfaces

CANCELED: Maosheng Miao, California State University Northridge,Simulate to discover: from new chemistry under high pressure to novel two-dimensional materials Mon. April 24th, 2017
12:45 am-1:45 am

CANCELED. Will be rescheduled. Simulate to discover: from new chemistry under high pressure to novel two-dimensional materials   Maosheng Miao

David Pace, General Atomics, San Diego, The Fast and the Furious: Energetic Ion Transport in Magnetic Fusion Devices Wed. April 19th, 2017
12:45 am-1:45 am

The Fast and the Furious: Energetic Ion Transport in Magnetic Fusion Devices D.C. Pace and the DIII-D National Fusion Facility Team

Louis F. Piper, Binghamton University, Shining new light on old problems in lithium ion batteries Mon. April 17th, 2017
12:45 am-1:45 am

Shining new light on old problems in lithium ion batteries   Louis Piper Binghamton University, State University of New York

Nandini Trivedi, The Ohio State University, Novel magnetic phases in spin-orbit coupled oxides Mon. April 10th, 2017
12:45 pm-1:45 pm

Novel magnetic phases in spin-orbit coupled oxides Nandini Trivedi,   Department of Physics, The Ohio State University   Abstract: I

Nate Stern, Northwestern University, Monolayer Semiconductor Opto-Electronics: Controlling Light and Matter in Two-Dimensional Materials Mon. April 3rd, 2017
12:45 pm-1:45 pm

Monolayer Semiconductor Opto-Electronics: Controlling Light and Matter in Two-Dimensional Materials Nathaniel Stern Department of Physics and Astronomy, Northwestern University The

Paul Kelly, University of Twente, Turning up the heat in first principles Quantum Spin Transport Wed. March 22nd, 2017
12:45 pm-1:45 pm

Turning up the heat in first principles Quantum SpinTransport  Paul J. Kelly Faculty of Science and Technology and MESA+ Institute

No Seminar, APS March Meeting and Spring Break Mon. March 13th, 2017
1:00 am-1:00 am
Francesca F. Serra, Johns Hopkins University, Control of liquid crystals through topography for optics and assembly Mon. February 27th, 2017
12:45 pm-1:45 pm

Control of liquid crystals through topography for optics and assembly  Dr. Francesca Serra  Physics and Astronomy  Johns Hopkins University  

Hamza Balci, Kent State University, A Single Molecule Approach to Study Protein, Small Molecule, and G-Quadruplex Mon. February 20th, 2017
12:45 pm-1:45 pm

A Single Molecule Approach to Study Protein, Small Molecule, and  G-Quadruplex Interactions Hamza Balci Kent State University, Physics Department, Kent,

Saw-Wai Hla, Ohio University, Operating Individual Quantum Molecular Machines Mon. February 6th, 2017
12:45 pm-1:45 pm

Operating Individual Quantum Molecular Machines Saw-Wai Hla  Department of Physics & Astronomy, Ohio University, OH 45701, USA and Nanoscience and

Mike Boss, NIST, Physics and Impact of Quantitative Magnetic Resonance Imaging Mon. January 30th, 2017
12:45 pm-1:45 pm

Physics and Impact of Quantitative Magnetic Resonance Imaging Michael Boss, Applied Physics Division National Institute of Standards and Technology, Boulder,

Lucile Savary (MIT) — Michelson Postdoctoral Prize Lecturer Fri. January 27th, 2017
12:45 pm-1:45 pm

Quantum Loop States in Spin-Orbital Models on the Honeycomb and Hyperhoneycomb Lattices In the quest for quantum spin liquids, the

Lucile Savary (MIT) — Michelson Postdoctoral Prize Lecturer Tue. January 24th, 2017
11:00 am-12:00 pm

Quantum Spin Ice Recent work has highlighted remarkable effects of classical thermal fluctuations in the dipolar spin ice compounds, such

Michael Snure, AFRL, Two dimensional BN an atomically thin insulator, substrate, and encapsulation layer from growth to application Mon. January 23rd, 2017
12:45 pm-1:45 pm

Two dimensional BN an atomically thin insulator, substrate, and encapsulation layer from growth to application Michael Snure Air Force Research

Lucile Savary (MIT) — Michelson Postdoctoral Prize Lecturer Mon. January 23rd, 2017
4:15 pm-5:15 pm

A New Type of Quantum Criticality in the Pyrochlore Iridates The search for truly quantum phases of matter is one

Christopher Wolverton, Northwestern University, Accelerating Materials Discovery with Data-Driven Atomistic Computational Tools Mon. December 5th, 2016
12:45 pm-1:45 pm

Accelerating Materials Discovery with Data-Driven Atomistic Computational Tools Chris Wolverton Dept. of Materials Science and Eng., Northwestern University, Evanston, IL

Marie-Charlotte Renoult, Université de Rouen, Free falling jets of a viscoelastic solution Wed. November 23rd, 2016
12:45 pm-1:45 pm

Title: Free falling jets of a viscoelastic solution Prof. Marie-Charlotte Renoult Université de Rouen, France Abstract: We conducted free falling

Keji Lai, Univ of Texas, Austin/Microwave Imaging of Edge States and Electrical Inhomogeneity in 2D Materials Mon. November 21st, 2016
12:45 pm-1:45 pm

The understanding of various types of disorders in 2D materials, including dangling bonds at the edges, defects in the bulk,

Salah Eddine Boulfelfel, Georgia Institute of Technology, Atomic-Scale Modeling of Activated Processes in the Solid State Mon. November 14th, 2016
12:45 pm-1:45 pm

Atomic-Scale Modeling of Activated Processes in The Solid State Salah Eddine Boulfelfel School of Chemical and Biomolecular Engineering Georgia Institute

Jim Andrews, Youngstown State University, Coherent Perfect Polarization Rotation–Beyond the Anti-Laser Mon. November 7th, 2016
12:45 pm-1:45 pm

We describe the distinguishing characteristics of coherent perfect optical conversion processes using two-beam interference, as compared to single-beam ‘critical coupling’ processes.

Samo Kralj, University of Maribor, Effective Topological Charge Cancellation Mechanism Mon. October 31st, 2016
1:00 pm-2:00 pm

Effective Topological Charge Cancellation Mechanism Samo Kralj1,2 1FNM, University of Maribor, Koroška 160, 2000 Maribor, Slovenia 2Jožef Stefan Institute, Jamova

Patrick Woodward, The Ohio State University, The magnetism of double perovskites containing osmium and rhenium Mon. October 24th, 2016
12:45 pm-1:45 pm

  Patrick M. Woodward Department of Chemistry and Biochemistry, The Ohio State University Over the past several years we have

Nayana Shah, University of Cincinnati, Manifestations of spin-orbit coupling and topology in out-of-equilibrium hybrid superconducting systems Mon. October 10th, 2016
12:45 pm-1:45 pm

Recently there has been a lot of excitement generated by the possibility of realizing and detecting Majorana fermions within the

Zhaoning Song, University of Toledo,The Formation and Degradation of Metal Halide Perovskites Mon. September 26th, 2016
12:45 pm-1:45 pm

Solar cells based on organic-inorganic metal halide perovskite materials, such as methylammonium lead iodide (CH3NH3PbI3), have been the subject of

Observation Of Interlayer Phonons in Transition Metal Dichalogenide Atomic Layers and Heterostructures – Rui He Mon. May 2nd, 2016
12:30 pm-1:30 pm

Interlayer phonon modes in atomically thin transition metal dichalcogenide (TMD) heterostructures were observed for the first time. We measured the

The 17 Position Knob: Tuning Interactions With Rare Earths – Paul C. Canfield Mon. April 18th, 2016
12:30 pm-1:30 pm

Physicists see the rare earth group of elements as a powerful tool for tuning the properties of materials. Choice or control

Mapping the Phase Diagram of a One-Dimensional Topological Superconductor – Sergey Frolov Mon. April 11th, 2016
12:30 pm-1:30 pm

Download the abstract Tunneling spectroscopy measurements on one-dimensional superconducting hybrid materials have revealed signatures of Majorana fermions which are the

Nanoscopic Manipulation and Nanoimaging of Liquid Crystals – Charles Rosenblatt Mon. April 4th, 2016
12:30 pm-1:30 pm

Liquid crystals present a remarkable array of fascinating physical phenomena, and are now a >200 billion dollar world-wide industry. As

Nanoscopic Manipulation and Nanoimaging of Liquid Crystals – Charles Rosenblatt Mon. April 4th, 2016
12:30 pm-1:30 pm

Liquid crystals present a remarkable array of fascinating physical phenomena, and are now a >200 billion dollar world-wide industry. As

Nanomaterials in Liquid Crystal Mediated Interactions – Rajratan Basu Mon. March 28th, 2016
4:00 pm-5:00 pm

In liquid crystals (LC) the effect of nonmesogenic guest-nanoparticles on the LC’s bulk properties often rests on the molecular identification

APS March Meeting Mon. March 14th, 2016
12:30 pm-1:30 pm
Preview APS March Meeting Talks – Graduate Students Thu. March 10th, 2016
11:00 am-12:00 pm

Sukrit Sucharitacul, Few-layer III-VI and IV-VI 2D semiconductor transistorsShuhao Liu, Imaging the long diffusion lengths of photo-generated carriers in mixed

FMR-Drive Pure Spin Transport in Metals and Magnetic Insulators – Fengyuan Yang Mon. March 7th, 2016
12:30 pm-1:30 pm

Spintronics relies on the generation, transmission, manipulation, and detection of spin current mediated by itinerant charges or magnetic excitations. Ferromagnetic

Tailored Radiative Processes of Quantum Dots and 2D Materials – Maiken H. Mikkelsen Mon. February 29th, 2016
4:00 pm-5:00 pm

Metal-dielectric nanocavities have the ability to tightly confine light to small mode volumes resulting in strongly increased local density of

Aspects of Photonic Topological Insulators – Mikael Rechtsman Mon. February 22nd, 2016
12:30 pm-1:30 pm

I will present the observation of the topological protection of light – specifically, a photonic Floquet topological insulator. Topological insulators (TIs)

Combined First-Principles Molecular Dynamics / Density-Functional Theory Study of Ammonia Oxidation on Pt(100) Electrode – Dmitry Skachkov Mon. February 1st, 2016
12:30 pm-1:30 pm

A combined first-principles molecular dynamics/density functional theory study of the electrooxidation of ammonia is conducted to gain an atomic-level understanding

Non-adiabatic Transport in Single-Electron Transistors in the Kondo Regime – Andrei Kogan Mon. November 23rd, 2015
12:30 pm-1:30 pm

Magnetic impurities in conductors alter the Fermi sea: A many-body state (A Kondo singlet) is formed that entangles itinerant carriers

Chip-integrated Nanophotonic Structures for Classical and Quantum Devices – Antonio Badolato Mon. November 16th, 2015
12:30 pm-1:30 pm

Chip-integrated nanophotonics investigates the interaction of light with nanostructures integrated on a chip. Lying at the intersection of condensed matter

Michelson Postdoc Lecture – Michael Hatridge Mon. November 9th, 2015
12:30 pm-1:30 pm
Supercooling-Driven Glass Behaviour in Systems Exhibiting Continuous Symmetry Breaking – Sami Kralj Wed. November 4th, 2015
12:30 pm-1:30 pm

Symmetry breaking is ubiquitous in nature and represents the key mechanism behind rich diversity of patterns exhibited by nature. One

Photogeneration and Charge Transport in Liquid Crystalline Organic Semiconductors – Sanjoy Paul Mon. October 26th, 2015
12:30 pm-1:30 pm

Organic semiconductors (OSCs) are emerging candidates for the applications in electronic and photonic devices due to material’s low cost and

Spins in 2D Materials – Roland Kawakami Mon. October 19th, 2015
12:30 pm-1:30 pm

Two-dimensional crystals such as graphene and monolayer transition metal dichalcogenides (TMD) possess unique properties not found in bulk materials. These

Static and Dynamic Flowers in Strained Graphene – Nancy Sandler Mon. October 12th, 2015
12:30 pm-1:30 pm

The coupling of geometrical and electronic properties is a promising venue to engineer conduction properties in graphene. In particular, different

The Status and Challenges of Lead Halide Perovskite Solar Cells – Yanfa Yan Mon. October 5th, 2015
12:30 pm-1:30 pm

Organic-inorganic methylammounium lead halide perovskites, CH3NH3PbX3 (X= Cl, Br, I), have revolutionized the field of thin-film solar cells. Within five

Device-compatible Defect Engineering of Rare Earth Doped Nitrides – Volkmar Dierolf Mon. September 28th, 2015
12:30 pm-1:30 pm

LED-lighting is at the verge of replacing conventional incandescent light sources. These white LEDs are based on nitride technology which

Quantum Magnetism in Low Dimensions: An Intriguing Phenomenon Connecting Biology with Physics – Yi-Kuo Yu Mon. September 14th, 2015
12:30 pm-1:30 pm

Magnetism is an important problem in many areas of science including biology, physics and material science. For example, many migratory

Buckling Instabilities and Recoil Dynamics in Free-Standing Liquid Crystal Filaments – Tanya Ostapenko Mon. May 18th, 2015
12:30 pm-1:30 pm

Quasi-one-dimensional free-standing fluid structures are not often found in nature, but may be formed by any material that can overcome

Quantum Phase Transitions in Magnets – Ribhu Kaul Mon. May 11th, 2015
12:30 pm-1:30 pm
Thank You for Flying the ‘Vomit Comet’: Using Parabolic Flights to Examine Quantitatively the Stability of Liquid Bridges Under Varying Total Body Force – Greg DiLisi Mon. April 20th, 2015
12:30 pm-1:30 pm

Liquid bridges were flown aboard a Boeing 727-200 aircraft in a series of parabolic arcs that produced multiple periods of

V2O5, a Strongly Correlated 2D System with 1D Aspects – Walter Lambrecht Mon. March 30th, 2015
12:30 pm-1:30 pm

V2O5 is a layered material with chains within the layer. I will discuss how this is manifested in its electronic

Predictive First-principles Simulations of Excited Electrons and Ultrafast Electron-ion Dynamics in Complex Materials – Andre Schleife Mon. March 23rd, 2015
12:30 pm-1:30 pm

Rapidly advancing high-performance super computers such as “Blue Waters” allow calculating properties of increasingly complex materials with unprecedented accuracy. In

Graphene on Ir(111), Adsorption and Intercalation of Cs and Eu Atoms – Pedrag Lazic Mon. March 16th, 2015
12:30 pm-1:30 pm

Experimental and theoretical study of Cs and Eu atoms adsorption on graphene on Ir(111) will be presented [1,2]. Graphene on

March Meeting Preview Talks – Graduate Students Mon. February 23rd, 2015
12:30 pm-1:45 pm

APS March Meeting 2015 graduate student talks Jiayuan Miao: Molecular-dynamics study of the Case-II diffusion of methanol in PMMA Sukrit

Exploring Soft Matter with DNA – Tomasso Bellini Mon. February 16th, 2015
12:30 pm-1:30 pm

The combination of solubility, coded pairing and adjustable flexibility make DNA a unique polymer for designing highly-controlled self-assembled complex nanostructures

The Chirality of SiO4 in Materials – David Avnir Wed. February 11th, 2015
12:30 pm-1:30 pm

SiO4 is a common building block of many materials, both crystalline such as quartz, silicates and zeolites, and amorphous, such

Spin-dependent Scattering in Graphene: Electronic Birefringence and Kondo Transitions – Sergio Ulloa Mon. February 2nd, 2015
12:30 pm-1:30 pm

Graphene, a monoatomic layer of carbon, is perhaps the simplest and most easily available material where electrons behave as massless

The Break-up of Viscoelastic Jets and Filaments: The Beads-on-a-string Structure – Marie-Charlotte Renoult Mon. December 1st, 2014
12:30 pm-1:30 pm

Capillary pressure can destabilize a thin stream of water and break it up into a succession of small droplets. The

Soft Materials Approaches to Carbon Nanotubes: from Gels to Composites – Mohammed F. Islam Mon. November 10th, 2014
12:30 pm-1:30 pm

Carbon nanotubes combine low density with exceptional mechanical, electrical and optical properties. Unfortunately, these nanoscale properties have not been retained

Soft Magnetic Materials for Energy Applications in Extreme Environments – Matthew A. Willard Mon. October 27th, 2014
12:30 pm-1:30 pm

A fundamental transformation of the transportation sector in the United States is underway. In parallel with advances in renewable energy

On Demand 2D Electron Gas at LaAlO3/SrTiO3 Interfaces – Cheng Cen Mon. October 20th, 2014
12:30 pm-1:30 pm

The development of complex oxides over the past fifteen years has raised the prospect for new classes of electronic devices.

“How Big is the Proton Anyway?” – Amar Vutha Mon. October 13th, 2014
12:30 pm-1:30 pm

The proton is a bound state of quarks and gluons, described by the low-energy limit of quantum chromodynamics. Recent measurements

Spin-charge Conversion in Interfacial Electron Liquids – Giovanni Vignale Mon. October 6th, 2014
12:30 pm-1:30 pm

Semiconductor quantum wells, inter-metallic interfaces, layered oxides, and monolayer materials are all promising platforms for the observation of spincharge conversion

Ordered self-assembly of molecules on gold substrates, for activated organic monolayers – Prof. Emmanuelle Lacaze Wed. July 17th, 2013
12:30 pm-1:30 pm

Photochromic molecules are characterized by a functional group whose configuration is modified by absorption of light, in a reversible manner.

Topological transition of graphene from quantum Hall metal to quantum Hall insulator – Prof. XiangRong Wang Fri. May 17th, 2013
12:30 pm-1:30 pm

In this talk, I will first review the basic electronic properties of graphene. In particular, I will explain why the

Quantum Fluids of Light – David Snoke Mon. April 29th, 2013
12:30 pm-1:30 pm

In the past few years a new class of solid state optical systems has been developed in which photons have

Semiconductor nanowires : from LEDs to solar cells – Silvija Gradecak Mon. April 22nd, 2013
12:30 pm-1:30 pm

Semiconductor nanowires are quasi-one-dimensional single-crystals that have emerged as promising materials for the development of photonic and electronic devices with

Mapping spin-orbit effects in semiconductors – Vanessa Sih Mon. April 15th, 2013
12:30 pm-1:30 pm

Spin-orbit coupling is a consequence of relativity but can be observed and used at the device scale to electrically initialize

Short-range order in nematic liquid crystals formed by reduced symmetry molecules – Sam Sprunt Mon. April 8th, 2013
12:30 pm-1:30 pm

Small molecules constructed from familiar chemical components, but with an unconventional (reduced symmetry) molecular shape, hold promise for developing nematic

Hybrid Quantum Devices with Single Spins in Diamond – Gurudev Dutt Mon. April 1st, 2013
12:30 pm-1:30 pm

Single spins associated with defects in diamond have emerged as a promising and versatile experimental system. They can be used

Point defect studies in ZnO: oxygen vacancy and p-type doping – Walter Lambrecht Mon. March 25th, 2013
12:30 pm-1:30 pm

In the first part of the talk, I will tell you about the controversy about the position of the defect

Semiconductor nanocrystals for room-temperature coherent electronics: A flexible platform for manipulating spin coherence – Jesse Berezovsky Mon. March 4th, 2013
12:30 pm-1:30 pm

One route towards future electronics is to exploit interactions between coherent electron spin states and photons in semiconductor structures. This

Shedding some light on liquid crystalline organic semiconductors – Brett Ellman Mon. February 25th, 2013
12:30 pm-1:30 pm

We live in a world whose technology is ruled by a small set of inorganic semiconductors, notably silicon. Research on

Nanostructures in Motion: Probing Surface Science and Fracture Mechanics at Molecular Level – Zenghui Wang Mon. February 18th, 2013
12:30 pm-1:30 pm

Nanomaterials, since their debut, have greatly advanced human knowledge from many aspects. For example, carbon-based nanomaterials, such as carbon nanotube

Self-Assembly and Packing of Polyhedra into Complex Structures – Michael Engel Mon. February 11th, 2013
12:30 pm-1:30 pm

Isolating the role of building block shape for self-assembly and packing provides insight into the ordering of molecules and the

Routing Light with Spatial Solitons: Light Localization and Steering in Liquid Crystals – Antonio DeLuca Mon. February 4th, 2013
12:30 pm-1:30 pm

Nematic Liquid Crystals (NLCs) support strong nonlinear effects, most of them due to the high birefringence and non-local response. Light

Terahertz plasmons and magnetoplasmons in graphene – Hugen Yan Mon. December 3rd, 2012
12:30 pm-1:30 pm

Plasmons in metal surfaces and clusters have been extensively studied due to their potential applications in sensing, imaging, light harvesting

Quantum Dots and Magnetic Quantum Dots for Biomedical Imaging and Separations – Jessica Winter Mon. November 26th, 2012
12:30 pm-1:30 pm

Quantum dots, semiconductor nanocrystals, have unique optical properties, including narrow emission bandwidths, broad excitation spectra, and remarkable photostability, which have

Quench dynamics in one-dimensional systems – Aditi Mitra Mon. November 19th, 2012
12:30 pm-1:30 pm

How an interacting many-particle system which is initially out of equilibrium evolves in time, is a challenging question, especially for

Playing with monomolecular layers: model biological systems and liquid crystal alignment layers – Elizabeth Mann Mon. November 12th, 2012
12:30 pm-1:30 pm

Self-assembly within biological membranes controls structure, from the nano- to the microscale. The same physical processes also apply to synthetic

Half Metallic Ferromagnetism in Complex Oxides and Implications for Spintronics – Nandini Trivedi Mon. November 5th, 2012
12:30 pm-1:30 pm

I will discuss the mechanism behind the remarkable properties of double perovskites like Sr2FeMoO6 that show half-metallic ground states with

FUNCTIONAL FILMS AND CERAMICS – Alp Sehirlioglu Mon. October 29th, 2012
12:30 pm-1:30 pm

The presentation summarizes our recent efforts in developing new functional materials with a focus on operation in extreme environments. Discussion

Qubit-Coupled Mechanics – Matt LaHaye Mon. October 22nd, 2012
12:30 pm-1:30 pm

There is a rapidly growing effort to integrate quantum technologies with mechanical structures in order to manipulate and measure quantum

Michelson Postdoc Prize talk 3:Many-body interactions in two-dimensional crystals – KinFai Mak Fri. October 19th, 2012
12:30 pm-1:30 pm

The problem of electrons in 2D is one of the most important topics in contemporary condensed matter physics. Coulomb interactions

Michelson Postdoc Prize talk 2:Optics with Dirac electrons – KinFai Mak Tue. October 16th, 2012
12:30 pm-1:30 pm

Optical spectroscopy provides an excellent means of understanding the distinctive properties of electrons in the two-dimensional system of graphene. Within

Michelson Postdoc Prize talk 1:Novel two-dimensional systems: graphene and beyond – KinFai Mak Mon. October 15th, 2012
12:30 pm-1:30 pm

The past few years have witnessed a surge of activities in the study of graphene, a stable sheet comprised of

Multiferroic vortices in hexagonal manganites – Weida Wu Mon. October 8th, 2012
12:30 pm-1:30 pm

Topological defects are pervasive in complex matter such as superfluids, liquid crystals, and early universe. They have been fruitful playgrounds

Into the flat land: Transport studies of ultra-dilute GaAs two-dimensional hole systems in zero field – Jian Huang Mon. October 1st, 2012
12:30 pm-1:30 pm

Low temperature charge transport studies of high purity electron systems encompass fundamental subjects of disorder and electron-electron interaction. 50 years

Valley-Electronics in 2D Crystals – Di Xiao Mon. September 24th, 2012
12:30 pm-1:30 pm

In many crystals the Bloch bands have inequivalent and well separated energy extrema in the momentum space, known as valleys.

Novel Ferroelectric Polymers as High Energy Density and Low Loss Dielectrics – Lei Zhu Mon. September 17th, 2012
12:30 pm-1:30 pm

The state-of-the-art polymer dielectrics have been limited to nonpolar polymers with relatively low energy density and ultra low dielectric losses

Interfacial Charge Transfer in Nanomaterial Based Light Harvesting Devices – Mat Sfire Mon. September 10th, 2012
12:30 pm-1:30 pm

We purposefully design and study “molecular-like” interfacial interactions between the multidimensional nanometer-scale building blocks that compose larger-scale functional light harvesting

Optical Material Science: Electrodynamics of Nanoscale Assembly, and Lifetime and Degradation Science for Photovoltaics – Roger H. French Mon. April 30th, 2012
12:30 pm-1:30 pm

The optical properties and electronic structure of materials are critical to the development of new optical materials,(1) novel processes of

Magnetoresistance in Two Dimensions – Arnold J. Dahm Mon. April 23rd, 2012
12:30 pm-1:30 pm

We present measurements of the magnetoresistivity of a weakly interacting 2D electron liquid in an unexplored region near the boundary

Electronic structure of disordered solids – David A. Drabold Mon. April 16th, 2012
12:30 pm-1:30 pm

Understanding the physics of structurally disordered materials is a challenge to experimentalists and theorists alike. In this talk, I discuss

The role of molecular beam epitaxy in fundamental physics through an example: assessing the impact of disorder on the v=5/2 fractional quantum Hall effect – Mike Manfra Fri. March 30th, 2012
11:30 am-12:30 pm

Thirty years after its initial discovery, the fractional quantum Hall effect continues to challenge our understanding of electronic correlations in

Micro and Nano Technology at the Lurie Nanofabrication Facility – Robert Hower Fri. March 23rd, 2012
12:30 pm-1:30 pm

This seminar will give an overview of micro and nano technologies at the University of Michigan Lurie Nanofabrication Facility (LNF).

Anisotropic response in molecular crystals and the development of Modulated Orientation Sensitive Terahertz Spectroscopy (MOSTS) – Andrea Markelz Mon. March 19th, 2012
12:30 pm-1:30 pm

Since the mid 1980’s there have been predictions of protein structural vibrations with ~ 1meV energies, which corresponds to the

III-Nitride Light-Emitting Diodes for Solid-State Lighting – Hongping Zhao Mon. March 12th, 2012
12:30 pm-1:30 pm

Energy efficiency and renewable energy technologies have significant importance for achieving sustainable energy systems in modern society. Lighting accounts for

HgTe as a Topological Insulator – Laurens Molenkamp Mon. March 5th, 2012
12:30 pm-1:30 pm

HgTe is a zincblende-type semiconductor with an inverted band structure. While the bulk material is a semimetal, lowering the crystalline

High Tc superconductivity in cuprates: A status report – Mohit Randeria Fri. February 17th, 2012
12:30 pm-1:30 pm

25 years after their discovery, the microscopic problem of high Tc superconductivity in cuprates is still not “solved”. I will

Quantum Signatures of Optomechanical Instability and Synchronization in Optomechanical Arrays – Jiang Qian Mon. February 13th, 2012
12:30 pm-1:30 pm

Optomechanical systems couple light stored in an optical resonant cavity to the motion of a mechanical motion of the cavity

Fe pnictide superconductors – David Singh Mon. February 6th, 2012
12:30 pm-1:30 pm

The 2008 discovery of high temperature superconductivity in doped LaFeAsO by Kamihara and co-workers provided the second class of high

The Incredible Shrinking Tuning Forks – Nanowire Electromechanical Systems at Radio and Microwave Frequencies – Philp Feng Mon. January 30th, 2012
12:30 pm-1:30 pm

Nanoscience today enables many fascinating low-dimensional structures and new materials with previously inaccessible properties. Nanostructures with mechanical degrees of freedom

Graphene Optics and Electronics – Marcus Freitag Mon. December 5th, 2011
12:30 pm-1:30 pm

Graphene is a two-dimensional material with conical bands that touch at the Dirac or Charge-Neutrality point. Its zero bandgap and

Charge carrier dynamics in heterostructured semiconductor nanocrystals and nanocrystal solids – Michail Zamkov Mon. November 21st, 2011
12:30 pm-1:30 pm

In the first part, I will present a novel strategy for processing of colloidally stable semiconductor nanoparticles (also known as

A physicist walks into a biology department… – Robin Snyder Mon. November 14th, 2011
12:30 pm-1:30 pm

I present two recent projects in theoretical ecology and point out the connections to math loved by physicists. The first

The search for Majorana Fermions in semiconductor nanowires – Roman Lutchyn Mon. November 7th, 2011
12:30 pm-1:30 pm

The exploration of topological phases of matter is one of the main challenges in condensed matter physics. Among the exciting

Theoretical studies of magnetic and structural thermodynamics using effective Hamiltonians – Kirill Belashchenko Mon. October 31st, 2011
12:30 pm-1:30 pm

Effective configurational and spin Hamiltonians are commonly used to study magnetic and structural thermodynamics. For some purposes, such as the

Photorefractive Polymers for an Updatable Holographic Display – Cory Christenson Mon. October 24th, 2011
12:30 pm-1:30 pm

Holography is a technique commonly used to display objects in three-dimensions, as it has the potential to accurately reproduce all

Energetics and Electronic Structure of Point Defects in Oxide Semiconductors: A Density Functional Approach – Fumiyasu Oba Fri. October 21st, 2011
12:30 pm-1:30 pm

Because of the crucial roles of point defects in the physical properties of pristine and doped oxide semiconductors, a fair

Variational Studies on the Kagome Lattice – Jesse Kinder Mon. October 17th, 2011
12:30 pm-1:30 pm

The two dimensional kagome lattice is a highly frustrated spin system. When spins are placed on the vertices of the

Measuring the electronic properties of single semiconductor nanowire heterostructures using advanced optical spectroscopies – Leigh M. Smith Mon. October 10th, 2011
12:30 pm-1:30 pm

There has been intense interest in recent years to control the electronic structure in quasi one-dimensional nanowires through the fabrication

Moving spins with heat: spin-Seebeck effect in a ferromagnetic semiconductor and Polarization-induced pn-junctions in wide band gap semiconductor nanowires – Roberto Myers Mon. October 3rd, 2011
12:30 pm-1:30 pm

Many proposed spin-based devices require transfer of spin into non-magnetic materials, which is usually accomplished by driving a charge current

First-principles electronic structure calculations in energy research – Emmanouil (Manos) Kioupakis Mon. September 26th, 2011
12:30 pm-1:30 pm

As the world strives to reduce its reliance on fossil fuels, materials innovations can help catalyze the switch to renewable

The metal insulator transition of VO2: Shining new (synchrotron-based) light on an old problem – Louis Piper Mon. September 19th, 2011
12:30 pm-1:30 pm

The origin of the abrupt metal-insulator transition (MIT) in VO2 has been a subject of debate for several decades and

Probing crystal defects by their vibrational modes – Sukit Limpijumnong Tue. July 5th, 2011
11:00 am-12:00 pm

First principles calculations can be used to study many material properties from a fundamental point of view. This talk will

Uniform Peak Conductivity in Single-Walled Carbon Nanotubes – Jesse Kinder Mon. June 27th, 2011
12:30 pm-1:30 pm

A carbon nanotube is a one-dimensional system in which confinement of charge carriers and an unusual band structure lead to

Sign reversal in dielectric anisotropy and dielectric relaxation in bent core liquid crystals – Jagdish Vij Mon. June 13th, 2011
12:30 pm-1:30 pm

We investigate the nematic phase of a 4-cyanoresorcinol bisbenozate compound by varying its chain length from C4 to C9 using

Experimental observation and manipulation of topological surface states – Yulin Chen Mon. May 9th, 2011
12:30 pm-1:30 pm

Three-dimensional (3D) topological insulators (TIs) are a new state of quantum matter with a bulk gap generated by the spin

Strong-arming electron spin dynamics – Jason Petta Mon. May 2nd, 2011
12:30 pm-1:30 pm

A single electron spin in an external magnetic field forms a two-level system that can be used to create a

Scanning tunneling microscopy studies of single magnetic ions in GaAs – Jay Gupta Mon. April 25th, 2011
12:30 pm-1:30 pm

The scaling of electronic devices such as field effect transistors to nanometer dimensions requires more precise control of individual dopants

Electron-electron interaction and transport in bilayer graphene – Jun Zhu Mon. April 18th, 2011
12:30 pm-1:30 pm

Bilayer graphene, or two layers of graphene stacked together in Bernal stacking, is a unique two-dimensional electron system with hyperbolic

Nano is more than size: The role of geometry in the electronic structure of carbon nanostructures – Vince Crespi Fri. April 15th, 2011
12:30 pm-1:30 pm

The atomic-scale order of highly deformable yet chemically inert carbon frameworks animates a wide range of novel structural, optical, and

Colloidal Quantum Dot Solar Cells – Randy Ellingson Mon. April 11th, 2011
12:30 pm-1:30 pm

Earth’s need for clean energy becomes more evident with each demonstration of the shortcomings of fossil and nuclear energy sources.

Ab-initio Heat Transfer: Predicting thermal transport in nanostructures and materials from the atoms up – Derek Stewart Mon. April 4th, 2011
12:30 pm-1:30 pm

While electronic transport has been the focus of intensive research for nearly a century, thermal transport has proven difficult to

Toward Graphene-Based Photovoltaics – Liang-shi Li Mon. March 28th, 2011
12:30 pm-1:30 pm

Solution-processable thin-film solar cells can be competitive with silicon-based ones in terms of electricity output/cost ratio and therefore have great

InN and ZnO: Unexpected Commonalities – Steven Durbin Mon. February 7th, 2011
12:30 pm-1:30 pm

InN is an infrared bandgap semiconductor (although it hasn’t always been that way); ZnO is an ultraviolet bandgap material used

Accurate and efficient solutions of wave propagation problems in periodic media – Catalin Turc Mon. January 31st, 2011
12:30 pm-1:30 pm

Many devices designed to guide and control waves rely on periodic structures on the wavelength scale: these include diffraction gratings

Ferromagnetic semiconductors and the role of disorder – Bruce Wessels Mon. December 6th, 2010
12:30 pm-1:30 pm

Magnetic semiconductors having Curie temperature greater than 300 K are of interest for a wide variety of spintronic device applications.

Chemical Design of Magnetic Nanomaterials – Ana Cristina Samia Mon. November 29th, 2010
12:30 pm-1:30 pm

Nanosized magnetic materials continue to attract great interest due to their wide range of potential applications from data storage to

Imaging 3D spatiotemporal hemodynamics of single cortical vessels in vivo using two-photon laser scanning microscopy – Peifang Tian Mon. November 22nd, 2010
12:30 pm-1:30 pm

The dynamics response of individual cerebral vessels to sensory-stimuli is crucial to form a mechanistic understanding of functional imaging technologies,

Stories of Large Scale Graphene – Yong Chen Mon. November 15th, 2010
12:30 pm-1:30 pm

Graphene has rapidly risen in the past few years to become one of the most actively researched topics in condensed

Modeling defects, microstructure, and shape evolution in orientationally ordered soft materials: nematic elastomers and lipid vesicles – Robin Selinger Mon. November 8th, 2010
12:30 pm-1:30 pm

Liquid crystal elastomers, sometimes called “artificial muscles,” combine the elastic properties of rubber with the molecular order properties of liquid

Polymeric materials for printable electronic applications: from synthesis to device characterization – Genevieve Sauve Mon. October 25th, 2010
12:30 pm-1:30 pm

Conjugated polymers are considered by many as leading candidates to produce the next generation of electronics. This belief is based

Absorption/Expulsion of Oligomers and Linear Macromolecules in a Polymer Brush – Sergei Egorov Mon. October 18th, 2010
12:30 pm-1:30 pm

The absorption of free linear chains in a polymer brush was studied with respect to chain size and compatibility with

Fractionalization in Mesoscopic Rings – Smitha Vishveshwara Mon. October 11th, 2010
12:30 pm-1:30 pm

A spectacular phenomenon that can occur in strongly correlated low dimensional systems is that of fractionalization. In such electronic systems,

Exciton-Plasmon Interactions and Fano Resonances in Nanostructures – Alexander Govorov Mon. October 4th, 2010
12:30 pm-1:30 pm

Coulomb and electromagnetic interactions between excitons and plasmons in nanocrystals cause several interesting effects: energy transfer between nanoparticles (NPs), plasmon

Embedded nanopillars for solar cell applications – Jingbiao Cui Mon. September 27th, 2010
12:30 pm-1:30 pm

Nanopillar radial junctions achieved by embedding nanopillars in absorbing thin films have potential for improved performance in solar cells due

Studies of reflection-band defects in 1D polymeric photonic crystals – Guilin Mao Mon. September 20th, 2010
12:30 pm-1:30 pm

Disorder or variation of the periodic structure of 1D-photonic crystal can lead to defects in the reflection band, characterized by

Triboelectric Charging in Granular Systems – Daniel Lacks Mon. September 13th, 2010
12:30 pm-1:30 pm

Have you ever received a shock when you touched a doorknob after shuffling across a carpeted floor? The culprit, known

Massively parallel Density functional calculations for thousands of atoms: KKRnano – Alexander Thiess Mon. August 30th, 2010
12:30 pm-1:30 pm

Existing highly precise density functional method for electronic structure calculations are mostly restricted to the treatment of at maximum a

Michelson Postdoctoral Lecture 2:Optical Atomic Clocks – David Hanneke Tue. May 11th, 2010
12:30 pm-1:30 pm

The most precise measurement techniques involve time, frequency, or a frequency ratio. For example, for centuries, accurate navigation has relied

Michelson Postdoctoral Lecture 1: Entangled Mechanical Oscillators and a Programmable Quantum Computer: Adventures in Coupling Two-Level Systems to Quantum Harmonic Oscillators – David Hanneke Mon. May 10th, 2010
12:30 pm-1:30 pm

The two-level system and the harmonic oscillator are among the simplest analyzed with quantum mechanics, yet they display a rich

Atom Mapping and Correlated Functional Imaging of Nanowires – Lincoln J. Lauhon Mon. April 26th, 2010
12:30 pm-1:30 pm

Nanowires are nanoscale in two dimensions and microscale in a third dimension, providing a wealth of opportunities to exploit novel

Controlling Spin and Magnetism in Quantum Dots – Rafal Oszwaldowski Mon. April 19th, 2010
12:30 pm-1:30 pm

A promising approach for the next generation of applications for information storage and processing comes from the field of spintronics (spin-electronics)

Diffusion Tensor Imaging: A Guided Tour – Cheng Guan Koay Thu. April 15th, 2010
12:30 pm-1:30 pm

Diffusion tensor imaging (DTI) is a noninvasive magnetic resonance (MR) technique for investigating tissue microstructure and white matter architectural organization

Through A Glass, Darkly: Obtaining Quantitative Information from Microscope Images of Liquid Crystals – Tim Atherton Tue. April 13th, 2010
12:30 pm-1:30 pm

Liquid Crystalline phases are identified by their beautiful textures when viewed under the polarizing microscope. These two-dimensional textures contain much

Hard tetrahedra and Quasi-Crystals – Rolfe G. Petschek Mon. April 5th, 2010
12:30 pm-1:30 pm

I will describe the packing of hard tetrahedra. Contrary to recent speculations, Monte Carlo simulations show that at finite temperatures

Periodic networks in heterogeneous materials: theory and multiscale homogenization for soling heat transfer and deformation problems – Viktoria Savatorova Mon. March 29th, 2010
12:30 pm-1:30 pm

All materials consist of some heterogeneity. In many cases heterogeneity can affect the properties of the whole sample, and this

Ultrafast physics in photosynthesis: Mapping sub-nanometer energy flow – Naomi Ginsberg Thu. February 25th, 2010
12:30 pm-1:30 pm

In the first picoseconds of photosynthesis, photoexcitations of chlorophyll molecules are passed through a network of chlorophyll-binding proteins to a

Single cell studies using microfluidic devices – Amy Rowat Thu. February 18th, 2010
12:30 pm-1:30 pm

Cells that are genetically identical can exhibit differences in phenotype, however, such variation remains masked in bulk measurements. To capture

Imaging coherent electron transport in graphene – Jesse Berezovsky Thu. February 11th, 2010
12:30 pm-1:30 pm

The coherent flow of electrons through a graphene device is an intriguing physical problem, which must be understood for future

Principles and Applications of Extrinsic (Doped) Organic Semiconductors – Calvin Chan Mon. February 1st, 2010
12:30 pm-1:30 pm

Organic semiconductors have garnered much attention for many promising applications, including organic light-emitting diodes, photovoltaic cells, thin-film transistors, thin-film batteries

Gigahertz dynamics of a strongly driven single spin in diamond – G. D. Fuchs Mon. January 25th, 2010
12:30 pm-1:30 pm

Nitrogen vacancy (NV) center spins in diamond have emerged as a promising solid-state system for quantum information and communication. Techniques

ZnGeAs2: A Novel Semiconductor for Photovoltaics – Tim Peshek Mon. January 4th, 2010
12:30 pm-1:30 pm

> I will motivate the fabrication of tandem thin film devices based solely on II-IV-V2 compounds as a target for

Spin Fluctuations in Magnetic Quantum Dots – Andre Petukhov Mon. December 14th, 2009
12:30 pm-1:30 pm
Quantum Simulation of Strongly Correlated Quantum Dots Out of Equilibrium – Jong Han Mon. November 30th, 2009
12:30 pm-1:30 pm

The study of strong correlation physics out of equilibrium has become one of the most exciting fields in condensed matter

From Water Splitting to Hydrogen Storage: The Art of First-Principles Predictions in Materials Design – Shengbai Zhang Mon. November 9th, 2009
12:30 pm-1:30 pm

Green and renewable energy is important to our environment, for sustainable energy supply, and offers new opportunities for economical growth.

Quantum Mechanics of Point Defects and Diffusion in α-Al2O3 – Arthur Heuer Mon. November 2nd, 2009
12:30 pm-1:30 pm

Ab-initio DFT calculations have been made of native point defects – aluminum vacancies and interstitials and oxygen vacancies and interstitials

Computer Simulations of Self-Assembly of Metallo-Supramolecular Networks – Elena Dormidontova Sat. October 31st, 2009
12:30 pm-1:30 pm

Using Monte Carlo simulations we studied formation of reversible metallo-supramolecular networks based on 3:1 ligand-metal complexes between end-functionalized oligomers and

Magnetic Properties of Rare Earth Doped GaN – John M. Zavada Mon. October 26th, 2009
12:30 pm-1:30 pm

Rare earth (RE) doped GaN has been widely investigated for applications in displays and optical applications due to the strong

Nanoscale memristive devices for memory and logic applications – Wei Lu Mon. October 19th, 2009
12:30 pm-1:30 pm

Memristor (a word created from “memory” and “resistor” ) has been claimed as the ” missing circuit element”and research on

A birds-eye view of nonlinear optics: using scale invariance to optimize the molecular response – Mark Kuzyk Wed. October 14th, 2009
12:30 pm-1:30 pm

Nonlinear optical materials show great promise in a broad range of applications from cancer therapies and medical imaging to increasing

Thermal Transport and Thermoelectric Energy Conversion in Nanomaterials – Li Shi Mon. October 5th, 2009
12:30 pm-1:30 pm

The high charge carrier mobility and thermal conductivity of carbon nanotubes and graphene have attracted interest in their applications for

Band structure information from soft x-ray spectroscopy – Andrew Preston Mon. September 28th, 2009
12:30 pm-1:30 pm

The optical and electric properties of a material are entirely dependent on the ordering of its electrons. In crystalline materials

Formation and properties of Cu_2S-CdS and Ag_2S-CdS Nanorod Heterostructures – Denis Demchenko Mon. September 21st, 2009
12:30 pm-1:30 pm

A partial cation exchange has been used to synthesize Cu_2S-CdS and Ag_2S-CdS nanocrystal heterostructures, with two very different morphologies. Cu^+

Recent Advances in Organic (Opto)electronic Materials – Oksana Ostroverkhova Wed. September 16th, 2009
12:30 pm-1:30 pm

There is growing interest in using organic (opto)electronic materials for applications in electronics and photonics. In particular, organic semiconductor thin

Ballistic Quasiparticles in Superfluid 3He: A Non-Newtonian Gas – George Pickett Mon. May 18th, 2009
12:30 pm-1:30 pm

We can cool superfluid 3He to below 100 microkelvin where the number of unpaired 3He atoms is only of the

Chirality and Kondo Physics in Graphene – Herb Fertig Mon. April 27th, 2009
12:30 pm-1:30 pm

Graphene, a two-dimensional network of carbon atoms, exhibits unique electronic properties because it supports low energy, massless, Dirac-like quasiparticles. The

Landau Level Spectroscopy of Graphene – Zhigang Jiang Mon. April 20th, 2009
12:30 pm-1:30 pm

Graphene, a single atomic sheet of graphite, is a monolayer of carbon atoms arranged in a hexagonal lattice. The unique

First-principles theory of coloration on WO3 upon charge insertion – Peihong Zhang Mon. April 13th, 2009
12:30 pm-1:30 pm

Electrochromic matrials exchibit reversible and persistent change of the optical properties, hence the color, upon applying an electrical pulse that

Screening Plasmonic Materials using Nanopyramidal Arrays – Teri Odom Mon. April 6th, 2009
12:30 pm-1:30 pm

Surface plasmon polaritons (SPPs) are responsible for optical phenomena including negative refraction, surface enhanced Raman scattering, and nanoscale focusing of

Fast Protonic Conductivity in Crystalline Materials: Highly Sulfonated Aromatics – Yuriy Tolmachev Tue. March 31st, 2009
12:30 pm-1:30 pm

Polymer Electrolyte Fuel Cells are expected to replace internal combustion engines as power sources in transportation during our lifetime. The

Dipole in a Magnetic Field, Work, and Quantum Spin – Robert Deissler Mon. February 23rd, 2009
12:30 pm-1:30 pm

Place an atom in a nonuniform static external magnetic field and, because of the interaction between the atom’s magnetic moment

Synthesis of Novel Fuel Cell Membranes with Aligned Proton Conducting Pathways – Matt Yates Mon. February 16th, 2009
12:30 pm-1:30 pm

Novel approaches have been developed to engineer the microstructure of proton conducting membranes to enhance proton transport. Polymer composite and

Molecular materials for dynamic holography and lasing applications – Jarek Mysliewiec Wed. February 4th, 2009
12:30 pm-1:30 pm

The subject of the presentation will be focused on molecular materials like liquid crystals, photochromic polymers or modified DNA-dye systems

Bent-core nematic liquid crystals: Opportunities and mysteries – Jim Gleeson Mon. December 1st, 2008
12:30 pm-1:30 pm
Phonon expansion and dispersion: Condensed matter channels: Material diagnosis – Dov Hazony Mon. November 24th, 2008
12:30 pm-1:30 pm

Propagating basic acoustic pulses may behave as phonons. They can be characterized and utilized to evaluate channels through which they

Terahertz Time-Domain Measurement of Ballistic Electron Resonance in a Single-walled Carbon Nanotube – Zhaohui Zhong Mon. November 17th, 2008
12:30 pm-1:30 pm

The terahertz (~ 100 GHz to 10 THz) electrical properties of nanomaterials are of relevance both to the fundamental science

Room temperature ferromagnetism in semiconducting oxides – Chandran Sudakar Mon. November 10th, 2008
12:30 pm-1:30 pm

Diluted magnetic semiconductors are formed when magnetic transition metal ions are doped in small concentrations into a semiconductor host lattice.

Spin injection, transport, and control in Silicon – Ian Appelbaum Mon. November 3rd, 2008
12:30 pm-1:30 pm

The intrinsic angular momentum of an electron (spin) – and its associated magnetic moment – can encode information: spin “up”

Coupling nanomechanical motion to electromagnetic fields through the Casimir effect and surface evanescent waves – HoBun Chan Fri. October 24th, 2008
12:30 pm-1:30 pm

The miniaturization of mechanical devices opens new opportunities for investigating and exploiting novel phenomena that occur for components in close

Charge Transport Phenomena in MilliKelvin Germanium and Detectors of the Cryogenic Dark Matter Search – Kyle Sundqvist Mon. October 20th, 2008
12:30 pm-1:30 pm

The Cryogenic Dark Matter Search (CDMS) seeks to detect putative weakly-interacting massive particles (WIMPS), which could explain the dark matter

High Resolution Spectroscopy of the Quantum Hall Liquid – Oliver Dial Mon. October 13th, 2008
12:30 pm-1:30 pm

The single particle spectrum of an electronic system is a measure of the ease of inserting a single, whole electron

Pedigrees and Partition Functions – Joseph Abraham Mon. October 6th, 2008
12:30 pm-1:30 pm

I will review some key concepts and computations in statistical genetics and discuss some analogies with the calculations on disordered

Electrical, Mechanical, and Electromechanical Studies of Carbon Nanotubes and Graphene – James Hone Wed. September 24th, 2008
12:30 pm-1:30 pm

This talk will report on studies of the properties of carbon nanotubes of known chiral index, as determined by Rayleigh

Heterostructured quantum dots: growth and characterization – Kurt Eyink Mon. September 15th, 2008
12:30 pm-1:30 pm

Quantum dots (QDs) have been receiving considerable attention lately due to the unique properties, which arise due to the confinement

Collective molecular motor using chiral liquid crystalline thin films – Hiroshi Yokoyama Mon. September 8th, 2008
12:30 pm-1:30 pm
Near-field optical scanning spectroscopy of photonic nanostructures – Alexander Mintairov Mon. April 21st, 2008
12:30 pm-1:30 pm

I will describe the experiments of using high spatial resolution near-field temperature-dependent magneto-photoluminescence to study optical and structural properties of

Ab-initio Assisted Process and Device Simulation for Nanoelectronic Devices – Wolfgang Windl Mon. April 14th, 2008
12:30 pm-1:30 pm

The continuing miniaturization of traditional semiconductor devices deep into the nano-realm and novel concepts such as molecular devices require an

Some examples of theory and computation of properties of transition metal nitrides – Sanjay Khare Mon. April 7th, 2008
12:30 pm-1:30 pm

A convergence of many factors has caused the emergence of growing synergy between theoretical and experimental research in condensed matter

Laboratory studies of atmospheric aerosol nucleation – Shan-Hu Lee Mon. March 31st, 2008
12:30 pm-1:30 pm
Flow diagram and Quantum critical behavior of the two-dimensional metal-insulator transition (2DMIT) – Alex Punnoose Mon. March 24th, 2008
12:30 pm-1:30 pm

Early speculation that an electron gas in two dimensions is always an insulator was upset when experiments in relatively high

Universal Gelation of Particles with Short-ranged Attraction – Peter J. Lu Thu. February 28th, 2008
12:30 pm-1:30 pm

Nanoscale or colloidal particles are exceptionally important in many realms of science and technology. They can dramatically change the properties

Metallic and Magnetic Nanostructured Thin Films Mon. February 25th, 2008
12:30 pm-1:30 pm

The correlation between structure and magnetism in magnetic materials continues to offer exciting opportunities at the nano-scale. For example the

Macrophase ordering in ionomers under external potential – Elshad Allahyarov Mon. February 18th, 2008
12:30 pm-1:30 pm

Coarse-grained molecular-dynamics simulations were used to study the morphological changes induced in a Nafion-like ionomer by the imposition of a

Ubiquity of Entanglement – Stanislaw Szarek Mon. February 11th, 2008
12:30 pm-1:30 pm

Entanglement is thought to be the critical resource in quantum computing and quantum communication. We explain how this physical concept

Bilayer Quantum Hall Effect – Bahman Roostaei Mon. February 4th, 2008
12:30 pm-1:30 pm

In a closely spaced double quantum well (DQW), electrons are thought to form an interlayer coherent state when a perpendicular

Nanotubes beyond carbon: theory of gallium nitride and boron nanotubes – Sohrab Ismail-Beigi Mon. January 28th, 2008
12:30 pm-1:30 pm

Although atomically-thin nanotubes of other elements are now fabricated, carbon nanotubes are probably the best known examples of nano-materials. They

Near-field optical scanning spectroscopy of photonic nanostructures – Alexander Mintairov Mon. December 3rd, 2007
12:30 pm-1:30 pm

I will describe the experiments of using high spatial resolution near-field temperature-dependent magneto-photoluminescence to study optical and structural properties of

Phonons in ZnGeN2 and related materials: experiment and theory – Tim Peshek and Tula Paudel Mon. November 19th, 2007
12:30 pm-1:30 pm

This seminar will consist of three practice talks for the MRS Fall meeting. Tim will first talk about an experimental

Thermo-acoustic waves near the liquid-vapor critical point : the sound of heat – Pierre Carlès Wed. November 14th, 2007
12:30 pm-1:30 pm

A fluid near its liquid-vapor critical point exhibits puzzling heat transfer dynamics, as temperature relaxation becomes faster and faster near

Identifying defect structures by first principles XANES – Sukit Limpijumnong Mon. November 12th, 2007
12:30 pm-1:30 pm

First principles calculations allow one to model materials from fundamental quantum mechanics without bias. Because the calculations contain detailed atomic

Synthesis and Characterization of GaGdN – Cammy Abernathy Mon. November 5th, 2007
12:30 pm-1:30 pm

The past decade has seen a rise in interest in the area of dilute magnetic semiconductors (DMSs). In part, this

Controlling light on the nanoscale: imaging and spectroscopy with ultrahigh spatial and temporal resolution – Markus Raschke Mon. October 29th, 2007
12:30 pm-1:30 pm
Polyelectrolytes: A Field-Theoretic Perspective – Yuri Popov Mon. October 15th, 2007
12:30 pm-1:30 pm

Field-theoretic methods are not new to polymer physics. Their basic idea is to replace the particle-based description of the polymer

“Spinning” and “twisting” a light beam and other wavefront-shaping tricks performed with suitably patterned liquid crystals – Lorenzo Marrucci Thu. October 11th, 2007
12:30 pm-1:30 pm

The so-called “helical modes” of an electromagnetic wave are characterized by a helical shape of the wavefront. They carry quantized

Disorder, Interactions, and Crossovers in Quantum Dots – Ganpathy Murthy Mon. October 8th, 2007
12:30 pm-1:30 pm

In ballistic/chaotic quantum dots the single-particle states are controlled by Random Matrix Theory below the Thouless scale. The three pure

Looking for the Spin Hall Effect in all the Wrong Places – Nitin Samarth Mon. October 1st, 2007
12:30 pm-1:30 pm

The spin and anomalous Hall effects are related phenomena that arise from spin-dependent electrical transport in solids in the presence

Defect structures in nematic liquid crystal shells – Alberto Fernandez-Nieves Mon. September 24th, 2007
12:30 pm-1:30 pm

We use double emulstions drops to experimentally realize a system to investigate the defect structure in spherical shells of nematic

Frustration Phenomena in Liquid Crystals in Contact with Patterned Substrates – Tim Atherton Mon. September 17th, 2007
12:30 pm-1:30 pm

Recent experimental advances in fabricating micropatterned surfaces offer the display industry the possibility of constructing new types of display with

Elasticity of Polymer Gels (and a Cytoskeleton in the Closet) – Gavin Buxton Mon. September 10th, 2007
12:30 pm-1:30 pm

Using computer simulations we can investigate the elastic properties of random elastic networks of struts. As the connectivity of the

Odd circuits: stability and jamming in hard granular materials – Nicolas Rivier Mon. May 21st, 2007
12:30 pm-1:30 pm

A dry granular material is modelled as a graph of spherical grains linked by purely repulsive contacts. Its stability (jamming)

Some problems in the non-linear optics of liquid crystals – Tim Sluckin Mon. April 30th, 2007
12:30 pm-1:30 pm
Michelson Postdoctoral Lecture – Adam Bolton Mon. April 30th, 2007
12:30 pm-1:30 pm
ACES seminar: Molecularly Engineered Interfaces for Organic Optoelectronics – Zakya Kafafi Mon. April 23rd, 2007
12:30 pm-1:30 pm
Ongoing Mysteries in Astrophysics – Donald Driscoll Wed. April 11th, 2007
12:30 pm-1:30 pm

We are at the brink of a Golden Age of Astrophysics with the promise of answers to many long-outstanding questions,

Bioinspired molecular optoelectronics – Volodimyr Duzhko Fri. April 6th, 2007
12:30 pm-1:30 pm

The versatility and rich functionality of living cells in Nature inspire researchers from many disciplines. For example, artificial replication of

New avenues to computational technology: novel spin transport effects at the nanoscale – Ewelina Hankiewicz Mon. April 2nd, 2007
12:30 pm-1:30 pm

The exponential increase of computational speed over time through miniaturization, known as Moore’s law, is now a thing of the

From nano to micro: hierarchical ordering at the nanoscale – Ezekiel Johnston-Halperin Mon. March 19th, 2007
12:30 pm-1:30 pm

The overall goal of controlling structural and electronic materials properties at nanometer length scales can be thought of as the

Current, maximum power and optimized efficiency of Brownian heat engine – Mulugeta Bekele Fri. March 2nd, 2007
12:30 pm-1:30 pm

A tiny heat engine is modeled as a Brownian particle in a sawtooth potential (with or without load) moving through

Unraveling Electronic and Spin Structure with Photoemission – Oleg Krupin Mon. February 26th, 2007
12:30 pm-1:30 pm

Angle-resolved photoemission is widely recognized as a versatile tool for studies of the electronic structure and Fermi surface topology of

Electrical Transport in Individual Nanostructures – Zhixian Zhou Tue. February 20th, 2007
12:30 pm-1:30 pm

Understanding the fundamental physical properties of individual nano scale materials is an essential and fundamental part of the research in

Ultrafast non-equilibrium phenomena of the integer quantum Hall system – Keshav Dani Mon. February 19th, 2007
12:30 pm-1:30 pm

The non-equilibrium properties of a system are typically understood by assuming instantaneous scattering between particles. However, for very early (femtosecond)

Heisenberg’s XY model and the Development of Mammalian Visual Cortex – Peter Thomas Mon. February 12th, 2007
12:30 pm-1:30 pm

The architecture of the primary visual cortex, the first cortical area devoted to processing visual information, exhibits fascinating spatial organization.

Engineering Defect Dynamics in Liquid Crystal Cells – Rolfe Petschek Mon. February 5th, 2007
12:30 pm-1:30 pm

Defects and slow dynamics of defects in a type of liquid crystal cell that allows the manufacture of wide-viewing angle

Transition metal and rare-earth nitrides: a new route to magnetic semiconductors – Walter Lambrecht Mon. January 29th, 2007
12:30 pm-1:30 pm

Transition metal and rare-earth nitrides have both potential as magnetic semiconductors. I will present two case studies: Mn-doped ScN, which,

Nonlinear Optics in Multilayer Polymer Films – Kenneth Singer Mon. November 27th, 2006
12:30 pm-1:30 pm

Case Western was recently awarded a National Science Foundation Science and Technology Center. This 5 year ~$20M once renewable grant

Terahertz spectroscopy of InMnAs – Jason Deibel Mon. November 13th, 2006
12:30 pm-1:30 pm

Diluted magnetic semiconductors (DMS’s) based on III-V semiconductors such as GaAs and InAs have drawn considerable interest over the past

Semiconductor Spintronics – Igor Zutic Mon. November 6th, 2006
12:30 pm-1:30 pm

Spin-polarized transport and the related field of spintronics [1] rely on lifting of spin degeneracy in various physical properties. A

Fabrication and Characterization of Functional Nanostructures and Applications – Richard Mu Mon. October 30th, 2006
12:30 pm-1:30 pm

My talk may consist of two folds. First, I would like to take this unique opportunity to give a brief

Is the Adiabatic approximation Inconsistent? – Solomon Duki Mon. October 23rd, 2006
12:30 pm-1:30 pm

The adiabatic theorem is the basis of an approximation scheme that was discovered at the dawn of quantum mechanics and

X-Ray Emission and Resonant Inelastic X-ray Scattering: new probes of electronic structure in complex materials – Kevin Smith Mon. October 16th, 2006
12:30 pm-1:30 pm

Detailed electronic structure measurements are required in order to fully understand many physical phenomena in solids. While photoemission spectroscopy is

Solution Processable Organic Photovoltaics – Sean Shaheen Mon. October 9th, 2006
12:30 pm-1:30 pm

Organic photovoltaics (OPV) have demonstrated power conversion efficiencies under AM1.5 illumination of 5%, a value high enough to attract attention

Electromechanical coupling effects in semiconductor heterostructures – Lok C. Lew Yan Voon Mon. October 2nd, 2006
12:30 pm-1:30 pm

Electromechanical coupling effects are known to significantly impact the physical properties of wurtzite (nitrides, ZnO, …) semiconductor nanostructure devices. However,

Simulating non-equilibrium processes over extended time and length scales using parallel kinetic Monte Carlo and parallel accelerated dynamics – Jacques Amar Tue. September 26th, 2006
12:30 pm-1:30 pm

A long-standing obstacle to the understanding of non-equilibrium processes in condensed-phase systems is that many important processes occur on time-scales

Expulsion of bend from a smectic liquid crystal: Anology to a type-I superconductor – Ruiting Wang Mon. September 18th, 2006
12:30 pm-1:30 pm

Using an atomic force microscope to nanopattern a substrate for liquid crystal alignment, a bend distortion is imposed on a

Suppression of superconductivity in the Hubbard model at intermediate coupling by buckling and breathing phonons – Mark Jarrell Mon. September 11th, 2006
12:30 pm-1:30 pm

Recent quantum Monte Carlo Dynamical Cluster calculations show that the Hubbard model displays superconductivity at temperatures relevant to the cuprate

Michelson Postdoctoral Prize Lecture – Nicole Bell Mon. May 1st, 2006
12:30 pm-1:30 pm

Astrophysical Neutrinos: Revealing Neutrino Properties at the Highest Energies

Phonon Anharmonicity and Phase Transitions in Bulk and Nanoparticle ZnSe under High Pressure – Bernard Weinstein Mon. April 24th, 2006
12:30 pm-1:30 pm

Resonant multi-phonon interactions strongly modify the life-times of the TO(Gamma) and LO(Gamma) normal modes in many bulk semiconductors.[1] The optically

The structure of a vortex and critical current through the BCS-BEC crossover – Mohit Randeria Mon. April 10th, 2006
12:30 pm-1:30 pm

Recently, there has been dramatic progress in experimental studies of the BCS-BEC crossover in trapped atomic Fermi gases. In this

Fractional vortices and composite domain walls in nanomagnets – Oleg Tchernyshyvov Mon. April 3rd, 2006
12:30 pm-1:30 pm

We provide a simple explanation of complex magnetic patterns observed in ferromagnetic nanostructures. To this end we identify elementary topological

Molecular Imaging with Ultrafast Electron Diffraction – Chong-Yu Ruan Mon. March 27th, 2006
12:30 pm-1:30 pm

Ultrafast molecular imaging represents an emerging frontier.In particular, recent developments in the ultrafast electron diffraction (UED) have demonstrated the ability

Treading a Fine Line: One-Dimensional Semiconductor Physics in Carbon Nanotubes – Michael Fuhrer Mon. March 20th, 2006
12:30 pm-1:30 pm

The growth of individual, long (> 1 mm), high-quality single- or few-walled carbon nanotubes (CNTs) on substrates by chemical vapor

Electron Interactions and Phase Coherence in Metals – Norman Birge Mon. March 6th, 2006
12:30 pm-1:30 pm

At low temperatures, conduction electrons in disordered metals maintain quantum phase coherence over times often exceeding one nanosecond — several

Point defects in ZnGeP2 – Walter Lambrecht Mon. February 27th, 2006
12:30 pm-1:30 pm

ZnGeP2 is a semiconductor material used in nonlinear optical frequency conversion. To advance these applications it is necessary to gain

The determination Liquid Crystal Device parameters by means of renormalized transmission spectroscopic ellipsometry – Munehiro Kimura Mon. February 20th, 2006
12:30 pm-1:30 pm
Experiments with New Soft Solids – Patrick Mather Mon. February 13th, 2006
12:30 pm-1:30 pm

The design and synthesis of soft polymeric materials with tailored properties is an area of emphasis in our group. This

Frontiers in spectroscopy with the scanning tunneling microscope – Jay Gupta Mon. February 6th, 2006
12:30 pm-1:30 pm

The scanning tunneling microscope is a versatile tool to study nanoscale structures with atomic resolution through a combination of manipulation

Electronic Properties of InSb Quantum Wells and Mesoscopic Structures – Michael Santos Mon. January 30th, 2006
12:30 pm-1:30 pm

In narrow-gap semiconductors, electrons have properties that are much different than in free space. For example, the effective mass in

Oscillatory interlayer coupling in Co/Pt multilayers with perpendicular anisotropy – Fengyuan Yang Mon. December 5th, 2005
12:30 pm-1:30 pm
Quantitative modeling of single-molecule RNA force-extension experiments – R. Bundschuh Mon. November 28th, 2005
12:30 pm-1:30 pm

Single-molecule force-extension experiments are an emerging tool for the study of biomolecules. For a molecule like RNA that has to

Between gases and liquids: the paradoxes of near-critical fluidsdynamics – Pierre Carles Mon. November 21st, 2005
12:30 pm-1:30 pm

The thermophysical properties of fluids near their liquid-vapor critical point are governed by universal critical phenomena, formalized theoretically after the

Low-dimensional Transport in Nanoscaled Materials – Philip Kim Mon. November 7th, 2005
12:30 pm-1:30 pm

The use of modern state-of-the-art device fabrication techniques and the development of new methods of nanosclae material synthesis/manipulation enable us

Mid-infrared Hall effect in ferromagnetic oxides and semiconductors – John Cerne Mon. October 31st, 2005
12:30 pm-1:30 pm

Strongly correlated materials ranging from diluted magnetic semiconductors (DMS) to transition-metal oxides, such as ruthenate perovskite (RP) compounds and high

Cell signalling Biophysics of GTPase-protein interactions: an overview of ideas and ongoing activities – Matthias Buck Mon. September 26th, 2005
12:30 pm-1:30 pm
ZIP-ping for Dark Matter – Michael Dragowsky Mon. September 19th, 2005
12:30 pm-1:30 pm

Astrophysical evidence has long implied the existence of non-luminous matter on the scale of galaxies. In the last few years

Ground- and Excited-State Attributes of Hexanuclear Rhenium(III) Chalcogenide Clusters – Thomas Gray Mon. September 12th, 2005
12:30 pm-1:30 pm
Michelson Postdoctoral Prize Lecture – Yaroslav Tserkovnyak Mon. May 9th, 2005
12:30 pm-1:30 pm

Lecture 1: SPONTANEOUSLY-SYMMETRY-BROKEN ARCHIMEDES SCREWS: In the first technical lecture, I will use the tool box developed in treating time-dependent

Monte Carlo simulations of inhomogeneous order in nematic liquid crystal cells: optical applications – Antoni C. Mitus Tue. May 3rd, 2005
12:30 pm-1:30 pm

We will present the results of Monte Carlo simulations of nematic liquid crystals described by Lebwohl-Lasher-Rapini model. Detailed information on

Forces on Small Scales – Liwei Chen Mon. April 25th, 2005
12:30 pm-1:30 pm

Atomic Force Microscopy (AFM) has become an indispensable tool in nanoscience and nanotechnology. In this talk, I will not only

Scanned Probe Magnetic Resonance: The Magnetic Resonance Force Microscope – Chris Hammel Mon. April 18th, 2005
12:30 pm-1:30 pm
Focused laser beams and liquid crystals: Three-dimensional imaging and control of topological defects and measurements of colloidal interactions – Oleg Lavrentovich Mon. April 11th, 2005
12:30 pm-1:30 pm

Orientational order is a universal feature of numerous soft-matter systems, most notably liquid crystals. These systems are extremely flexible, producing

Spin separation in cyclotron motion – Leonid Rokhinson Mon. April 4th, 2005
12:30 pm-1:30 pm

The ability to manipulate spin of charge carries in a controllable fashion is central to the rapidly developing field of

Investigations of Light Harvesting and Enhanced Nonlinear Optical Properties in Organic Dendrimers and Branched Macromolecules – Theodore Goodson III Mon. March 28th, 2005
12:30 pm-1:30 pm

Organic conjugated macromolecules have received great attention due to their use in optical and electronic applications. Certain molecular aggregate systems

Correlations Stablize Blue Phases – Lech Longa Mon. February 28th, 2005
12:30 pm-1:30 pm
Magnetoresistance in Parallel Fields – Julia Meyer Mon. February 21st, 2005
12:30 pm-1:30 pm

In addition to its large scale in-plane properties, transport in (quasi) two-dimensional electron systems is sensitive to microscopic details in

Sensitive Detection of Radiation Trapping in a Cold Dilute Gas – Samir Bali Mon. February 14th, 2005
12:30 pm-1:30 pm

Radiation trapping in an illuminated gas of atoms refers to the reabsorption of spontaneously emitted photons. This reabsorption prevents the

Challenge of Public and Workforce Education in Nanotechnology: Science vs Science Fiction – David Smith Mon. February 7th, 2005
12:30 pm-1:30 pm

Dave will discuss nanotechnology education as a challenge in both the areas of public education in science (for the K-99

First-principles investigations of p-type doping in ZnO – Sukit Limpijumnong Mon. December 6th, 2004
12:30 pm-1:30 pm

ZnO is one of the top candidates for blue light optoelectronics because of its wide bandgap properties. However, fabricating high

Optical control in semiconductor dots for quantum operations – Duncan Steel Mon. November 29th, 2004
12:30 pm-1:30 pm

Semiconductor quantum dots have optical properties similar to simple atomic systems, unlike higher dimensional semiconductor structures that are dominated by

Entropy Applications to Engineering and Health Science – Miron Kaufman Mon. November 8th, 2004
12:30 pm-1:30 pm

I will describe two applications of entropy. The first one is relevant to mixing in polymer processing. The other one

Resonant charge carrier tunneling in nanocrystalline Si/amorphous SiO2 superlattices – Volodimyr Duzhko Mon. November 1st, 2004
12:30 pm-1:30 pm

Electronic transport and charge carrier trapping in the nanocrystalline Si/amorphous SiO2 superlattices were investigated by impedance spectroscopy, dc photoconductivity, and

Exploring the terahertz region with a narrowband tunable source – Peter Powers Mon. October 25th, 2004
12:30 pm-1:30 pm

The generation of widely tunable coherent terahertz (THz) frequencies is of great interest for a variety of applications in basic

Old Method, New Results: Ultra-High Mobility in a Simple Organic Crystalline Semiconductor – Brett Ellman Mon. October 11th, 2004
12:30 pm-1:30 pm

Devices based on organic semiconductors are a new, growing sector of the electronics market. For use as, e.g., field-effect transistors,

Coherent time-resolved vibrational spectroscopy of surfaces and interfaces – Alex V. Benderskii Mon. October 4th, 2004
12:30 pm-1:30 pm

Time- and frequency-domain 3-wave mixing spectroscopies (infrared + visible Sum Frequency Generation, SFG) are presented as the lowest-order nonlinear techniques

The mystery of the thermotropic biaxial nematic phase – Satyen Kumar Mon. September 27th, 2004
12:30 pm-1:30 pm

The biaxial nematic phase was predicted more than three decades ago and discovered in lyotropic liquid crystalline systems by Yu

A Gas of Excitons: Moving and Trapping Electronic Quasi-Atoms – David Snoke Mon. September 20th, 2004
12:30 pm-1:30 pm

An exciton is bound state of a free, negatively charged electron and a postively charged hole in a semiconductor. Excitons

Spin injection from ferromagnetic Fe contacts into GaAs/AlGaAs spin LEDs – Athos Petrou Mon. September 13th, 2004
12:30 pm-1:30 pm

Electron spin injection efficiencies up to 40% have been obtained in Fe/AlGaAs(n) Schottky barriers. The spin polarized electrons are collected

Defect dynamics in nematic liquid crystals – Maurizio Nobili Thu. August 12th, 2004
12:30 pm-1:30 pm
Optical rectification and electro-optic sampling in the THz regime using electro-optic polymers – Michael Hayden Mon. May 10th, 2004
12:30 pm-1:30 pm

I will describe the adaptation of electro-optic (EO) polymer technology to terahertz (THz) generation and detection. The generation of wide

Evidence for Neutrino Oscillation and Massive Neutrinos: The Resolution of the Solar Neutrino Problem at SNO and KamLAND – Karsten Heeger, Michelson Postdoctoral Prize Lecture Mon. April 26th, 2004
12:30 pm-1:30 pm

Unambiguous evidence for novel neutrino properties has recently been obtained from observations of solar and reactor neutrinos. Combined with previous

Surface Structure Determination of a Diacetylene of Monomer and Polymer LB Monolayers by AFM as Compared to Electron Diffraction – J. B. Lando Mon. April 19th, 2004
12:30 pm-1:30 pm

Langmuir Blodget (LB) monolayer films of the lithium salt of 10,12-nonacosadiynoic acid monomer and polymer LB monolayers were studied by

Quantum Criticality near Zero Temperature Phase Transitions – Meigan Aronson Mon. April 12th, 2004
12:30 pm-1:30 pm

It is possible to drive magnetic ordering temperatures in certain metallic magnets to zero temperature by means of applied field,

Magnetic interactions and properties of 3d-5d/4d nano-particles: exchange interactions mediated by non-magnetic metallic atoms – Oleg N. Mryasov Mon. April 5th, 2004
12:30 pm-1:30 pm

The search for technological solutions for ultra high density magnetic storage devices requires to achieve thermal stability and higher signal

Magnetic Resonance of Hyperpolarized Noble Gases – Jason C. Lea Woods Mon. March 1st, 2004
12:30 pm-1:30 pm

Laser polarization of 3He and 129Xe generates nuclear spin polarizations 100,000 times greater than Boltzmann equilibrium at 2 Tesla and

The Development of Optical Coherence Tomography at CASE and the Optical Related Bio-Images – Zhilin Hu Mon. February 23rd, 2004
12:30 pm-1:30 pm

The presentation is to draw a picture of Optical Coherence Tomography (OCT), which has tremendous applications in biomedical research and

Theory of electron tunneling in ultra-small aluminum grains – Gustavo A. Narvaez Mon. February 16th, 2004
12:30 pm-1:30 pm

The ongoing revolution in information technology drives advances in the ability to synthesize, manipulate, and probe nanometer-size materials. Among the

Structure and Dynamics of Interfaces in the MBE Growth on (110) and (100) Crystal Surfaces – Artem Lewandowsky Mon. February 2nd, 2004
12:30 pm-1:30 pm

The general phenomenology of multilayer epitaxial growth and erosion on square (001) and rectangular (110) symmetry crystal surfaces is discussed.

Electron Spin Manipulation in Semiconductor Nanostructures – Alexander Efros Mon. January 26th, 2004
12:30 pm-1:30 pm

Manipulating electron spin is one of the central problems in the growing field of semiconductor spintronics. This is of critical

Visualizing Functional Connections in the Brain with Magnetic Resonance Imaging – Shella Keilholz Mon. December 15th, 2003
12:30 pm-1:30 pm

Magnetic resonance imaging, widely utilized for obtaining excellent anatomical images of soft tissue, has increasingly been applied to the study

The use of antibodies coupled to quantum-dot filled microspheres – Maureen McEnery Mon. December 1st, 2003
12:30 pm-1:30 pm
On the Origin of Soft-Vibrational Modes in Glass-Forming Liquids – Ulrich Zurcher Mon. November 17th, 2003
12:30 pm-1:30 pm

When liquids are cooled rapidly, particles can no longer move freely and the liquid becomes a glass. Above the glass

Level Statistics of Complex Systems: A Random Matrix Approach – Pragya Shukla Mon. November 10th, 2003
12:30 pm-1:30 pm

In general, the physical systems are quite complex in nature. Our approximate knowledge of the complicated interactions in these systems

Oxide-semiconductor materials for quantum computation – Jeremy Levy Mon. November 3rd, 2003
12:30 pm-1:30 pm

I will describe the goals and activities of our Center for Oxide-Semiconductor Materials for Quantum Computation (COSMQC, http://cosmqc.net). In our

Counting electrons on helium with a single electron transistor – Mike Lea Mon. October 27th, 2003
12:30 pm-1:30 pm

Electrons on liquid helium have been proposed as qubits [1], using excited Rydberg states [2] as the |0> and |1>

Is there a finite temperature phase transitions in bilayer quantum Hall system ? – Jinwu Ye Mon. October 20th, 2003
12:30 pm-1:30 pm

A Mutual Composite Fermion (MCF) picture is proposed to explain the interlayer coherent incompressible phase in bilayer Quantum Hall systems at

Structure and Properties of Narrow Gap Nitride Films – Rachel Goldman Mon. October 13th, 2003
12:30 pm-1:30 pm

Narrow gap nitride semiconductors have shown significant promise for a wide range of applications, including long-wavelength light-emitters, high performance electronic

Exploiting self-assembly to create polar organic thin films with piezoelectric, pyroelectric, and second order nonlinear optical response – Daniel Dyer Wed. September 17th, 2003
12:30 pm-1:30 pm
Magnetic interactions in metallic anti-ferromagnetic manganese nitride compounds – Walter Lambrecht Mon. September 8th, 2003
12:30 pm-1:30 pm

Electronic structure calculations are used to study the magnetic properties of MnN and Mn3N2. The magnetic moments originate primarily from

Dynamic Anchoring of Liquid Crystals: Path to New Applications – Lachezar Komitov Mon. June 2nd, 2003
12:30 pm-1:30 pm

Liquid crystals are widely used as electro-optic active media in display devices. The alignment of the liquid crystal molecules is

Electron-Accepting Molecules and Polymers: Theoretical Insights – Douglas Dudis Mon. May 5th, 2003
12:30 pm-1:30 pm

Conjugated molecules and polymers are of intense interest because of their novel electronic, linear and nonlinear optical, electrochemical and biological

Quantum Information Processing using Atomic and Optical Systems – Brian DeMarco Mon. April 28th, 2003
12:30 pm-1:30 pm

Quantum information processing is a rapidly emerging field, with development in atomic, photonic, and condensed matter systems underway. Classical computers

Conductance of molecular nanojunctions – Nikolai Zhitenev Mon. April 21st, 2003
12:30 pm-1:30 pm

Using molecules as possible elements for electronic devices has an enormous appeal. In the size hierarchy of nature, molecules stand

Swimming towards the dark: a photophobic light-driven elastomeric swimmer – Peter Palffy Mon. April 14th, 2003
12:30 pm-1:30 pm

Liquid crystal elastomers are characterized by strong coupling between orientational order and mechanical strain; optical excitations that result in a

What causes magnetization relaxation in ferromagnetic transition metals? – Snorri Ingvarsson Wed. March 26th, 2003
12:30 pm-1:30 pm

Much like resistance is to an electric circuit, magnetization relaxation is what restores the magnetization of a ferromagnet to equilibrium

Modulation of Membrane Electrogenic Transport. The Role of Charge-Dipole Coupling – Eitan Gross Tue. March 25th, 2003
12:30 pm-1:30 pm

The behavior of a given ion channel can be different in different regions of a cell. For example, Na+ channels

Electronic polarization in organic molecules and molecular solids: classical interactions between quantum systems – Eugene Tsiper Mon. March 10th, 2003
12:30 pm-1:30 pm

Electronic structure of molecular solids is strikingly different from the conventional inorganic semiconductors, such as Si. Coulomb interactions between molecules

An Atomic Abacus: Trapped ion quantum computing experiments at NIST – Brian DeMarco Mon. February 24th, 2003
12:30 pm-1:30 pm

Trapped atomic ions are an ideal system for exploring quantum information scienc e because deterministic state preparation and efficient state

Torsion and stiffening of multi-walled carbon nanotubes – Stergios Papadakis Tue. February 18th, 2003
12:30 pm-1:30 pm

I will describe the fabrication and characterization of nanometer-scale electromechanical oscillator devices which use multi-walled carbon nanotubes as the spring

Magnetic Properties of YCo5 and SmCo5 – Paul Larson Mon. February 10th, 2003
12:30 pm-1:30 pm

SmCo5 is one of the most important hard magnetic materials, having large magnetic moments and large out of plane magnetic

Order at soft-hard interfaces – Pulak Dutta Mon. January 27th, 2003
12:30 pm-1:30 pm

The ordering of soft materials at hard surfaces is by now a familiar process, but the nucleation of hard materials

Graduating Senior Project Presentations Mon. December 2nd, 2002
12:30 pm-1:30 pm

Benjamin Bayat, Volume Logic Diagnostics on Microprocessor and ASICs Chips at IBM Andrew D. Huss, Integration of Sensor Technology for

Gapped Sequences Alignment, Statistical Significance, and Biomolecular Interactions – Yi-Kuo Yu Mon. November 25th, 2002
12:30 pm-1:30 pm

By comparing the bio-sequences deposited in databases, sequence alignment tools pull out sequences of potential functional similarity to the query.

Diluted magnetic semiconductors based on the layered A2VB3VI compounds – Jeff S. Dyck Mon. November 18th, 2002
12:30 pm-1:30 pm

Currently, there is a great deal of research activity on the incorporation of magnetic ions into semiconductors to produce ferromagnetism.

Mixed Valence Regime of the Periodic Anderson Model: the proper paradigm for the magnetic properties of f-electron materials? – James E. Gubernatis Mon. November 11th, 2002
12:30 pm-1:30 pm

The f-electron materials (lanthanides and actinides) exhibit a rich array of strongly correlated electron phenomena. Most notable are their anti-ferromagnetism

Novel Materials Properties from Reversibly Associated Polymers – Elena Dormidontova Mon. November 4th, 2002
12:30 pm-1:30 pm

In contrast to chemically bonded polymers, reversibly associated polymers (e.g. via hydrogen bonding) have the capability to reversibly change their

Functional Polymer Design: Creating Polymer Materials with Tailored Properties – Christoph Weder Mon. October 28th, 2002
12:30 pm-1:30 pm

Motivated by the persistent desire for (novel) materials, which exhibit currently unavailable functionalities, research focused on the creation of polymers

Dislocations in silicon and diamond – Malcolm I. Heggie Tue. October 22nd, 2002
12:30 pm-1:30 pm

The study of dislocation core structures from first principles has flourished in the decade since the first calculation which confirmed

Atomic Clocks – Kurt Gibble Mon. October 14th, 2002
12:30 pm-1:30 pm
Mechanism of the high-pressure phase transitions from tetrahedrally bonded semiconductors to rocksalt – Maosheng Miao Mon. October 7th, 2002
12:30 pm-1:30 pm

A uniform description is presented for the transition paths of various tetrahedrally bonded semiconductor structures, including wurtzite, zind blende and

The Materials Machine – Daniel Gall Mon. September 30th, 2002
12:30 pm-1:30 pm

An ongoing challenge in materials physics is to arrange atoms in a controlled manner in order to design materials with

Electronic Structure Calculations with Dynamical Mean-Field Theory – Sergej Savrasov Mon. September 23rd, 2002
12:30 pm-1:30 pm

An effort to build a new electronic structure method based on many-body dynamical mean-field theory as an alternative to density

Transport of Spin in Multilayer Films – Mark Stiles Mon. September 16th, 2002
12:30 pm-1:30 pm

The resistance of certain magnetic multilayers decreases by a factor of two with the application of a magnetic field. The

Fluorescence confocal polarizing microscopy – a new method for 3D imaging of a director field in liquid crystals – Sergij Shiyanovskii Mon. September 9th, 2002
12:30 pm-1:30 pm

Most of traditional optical methods, e.g. polarizing optical microscopy, provide 2D images as a result of the integration over a


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