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Low Energy Electrodynamics in Solids 2012

22–27 Jul 2012
Embassy Suites Napa Valley
US/Pacific timezone

Session

Poster Session 1

23 Jul 2012, 20:00
Chardonnay Ballroom (Embassy Suites Napa Valley)

Chardonnay Ballroom

Embassy Suites Napa Valley

1075 California Boulevard, Napa, California, United States 94559

Description

Graphene, Topological Insulators, Metal-Insulator Systems, Transition Metal Oxides, Correlated Physics, Spin Phenomena

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  1. 47. AB-Stacked Multilayer Graphene Synthesized via Chemical Vapor Deposition: A Characterization by Hot Carrier Transport
    Haibing Peng (University of Houston, Physics Department)
    23/07/2012, 20:00
    Graphene
    Poster
    Carlos Diaz-Pinto, Debtanu De, Viktor G. Hadjiev, Haibing Peng, Department of Physics and the Texas Center for Superconductivity, University of Houston, Houston, Texas 77204 We report the synthesis of AB-stacked multilayer graphene via ambient pressure chemical vapor deposition on Cu foils, and demonstrate a method to construct suspended multilayer graphene devices. In four-terminal...
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  2. 158. AC Conductivity of AA-stacked and Twisted Bilayer Graphene
    Calvin Tabert (University of Guelph)
    23/07/2012, 20:00
    Graphene
    Poster
    C.J. Tabert and E.J. Nicol, University of Guelph, Canada Alternative stacking arrangement for bilayer graphene, differing from the standard Bernal AB-stacking, have been recently been of interest due to the observation of Moire patterns in STM pointing to misorientated or twisted multilayer graphene. Moreover, AA-stacked graphene has also been produced. We have calculated the...
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  3. 74. An infra-red study of thin film Bi$_2$Se$_3$ electronic structure across multiple thicknesses
    Kirk Post (University of California, San Diego, Department of Physics)
    23/07/2012, 20:00
    Topological Insulators
    Poster
    K. Post (UCSD), Liang He (UCLA), Xufeng Kou (UCLA), B.C. Chapler (UCSD), Kang L. Wang (UCLA), D.N. Basov (UCSD) The issue of self doping via selenium vacancies in the topological insulator (TI) Bi$_2$Se$_3$ has hindered efforts to produce samples with surface dominated conductivity. In fact, previous transport measurements of Bi$_2$Se$_3$ samples grown by molecular beam epitaxy (MBE) have...
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  4. 41. Angle-resolved photoemission on metallic and insulating phase of VO2
    Luca Moreschini (Advanced Light Source, Lawrence Berkeley National Laboratory, Berkeley, USA)
    23/07/2012, 20:00
    Metal-Insulator Systems
    Poster
    Luca Moreschini (1),Young Jun Chang (1,2), Davide Innocenti (3), Andrew L. Walter (1), Jonathan Denlinger (1), Aaron Bostwick (1), Jan Minar (4), Silke Biermann (5), Eli Rotenberg (1) (1) Advanced Light Source, Lawrence Berkeley National Laboratory, Berkeley, USA (2) Department of Molecular Physics, Fritz-Haber-Institut der Max-Planck-Gesellschaft, Berlin, Germany (3) CNR-SPIN, University...
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  5. 28. ARPES in 1D CDW systems: taking a fresh look at an old problem
    Marco Grioni (ICMP-EPFL)
    23/07/2012, 20:00
    Metal-Insulator Systems
    Poster
    M. Grioni1, M. Valbuena1, S. Pons1, C. Tournier-Colletta1, E. Frantzeskakis2, M.C. Asensio2, J. Avila2, L. Moreschini3, S. Moser1,3, A. Bostwick3, E. Rotenberg3, E. Canadell4 1 Institute of Condensed Matter Physics, EPFL, CH-1015 Lausanne (Switzerland) 2 Synchrotron SOLEIL, ANTARES beamline, F-91192 Gif-sur-Yvette, France 3 Advanced Light Source, LBNL, Berkeley, CA 94720 (USA) 4 Institut...
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  6. 93. Broadband microwave study of 2D superconductor-insulator quantum phase transition
    Wei Liu (Johns Hopkins University)
    23/07/2012, 20:00
    Transition Metal Oxides
    Student Poster Competition
    Wei Liu, Johns Hopkins University Minsoo Kim, SUNY Buffalo, Dr. G. Sambandamurthy, SUNY Buffalo, Dr. N. Peter Armitage, Johns Hopkins University We incorporated a 8 Tesla magnet into our newly developed Corbino broadband microwave spectrometer, which allows us to perform measurements over a range from 0.21 GHz to 15 GHz at temperatures down to 300 mK. We investigate the complex AC...
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  7. 71. Dispersive Kondo resonance and hybridized bands in Yb-based compounds
    Masaharu Matsunami (UVSOR Facility, Institute for Molecular Science)
    23/07/2012, 20:00
    Spin Phenomena
    Poster
    Masaharu Matsunami, UVSOR Facility Tetsuya Hajiri, UVSOR Facility Hidetoshi Miyazaki, UVSOR Facility Masashi Kosaka, Saitama University Shin-ichi Kimura, UVSOR Facility Heavy-fermion or valence-fluctuation phenomena in strongly-correlated f-electron systems can be derived from the hybridization between conduction band and 4f states (c-f hybridization). Therefore, to directly probe the...
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  8. 32. Dynamic Jahn-Teller effect in the expanded fullerides Cs3C60
    Katalin Kamaras (Wigner Research Centre for Physics, Hungarian Academy of Sciences)
    23/07/2012, 20:00
    Correlated Physics
    Poster
    Katalin Kamarás, Gyöngyi Klupp and Péter Matus Wigner Research Centre for Physics, Hungarian Academy of Sciences, P.O. Box 49, H 1525 Budapest, Hungary Alexey I. Ganin, Alec McLennan and Matthew J. Rosseinsky Department of Chemistry, University of Liverpool, Liverpool L69 7ZD, UK Yasuhiro Takabayashi, Martin T. McDonald and Kosmas Prassides Department of Chemistry, Durham University,...
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  9. 60. Electronic and optical properties of LaAlO3/SrTiO3 superlattices: interface charge density, Fermi surfaces, and optical reflectivity spectra
    Se Young Park (Columbia University)
    23/07/2012, 20:00
    Correlated Physics
    Poster
    Se Young Park and Andrew J. Millis, Columbia University We present calculations of the charge density profile, Fermi surface topology, and reflectivity spectra of the electron gas at the LaAlO3/SrTiO3 interface. The calculations are based on a self-consistent Hartree/RPA approximation and a tight binding parametrization of the band structure. The subband occupancy is studied as a function...
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  10. 104. Gate tunable real-space plasmons in graphene revealed by infrared nano-imaging
    Zhe Fei (Department of Physics, University of California, San Diego)
    23/07/2012, 20:00
    Graphene
    Student Poster Competition
    Z. Fei(1), A. S. Rodin(1), G. O. Andreev(1), W. Bao(2,3), A. S. McLeod(1), M. Wagner(1), L. M. Zhang(4), Zeng Zhao(3), G. Dominguez(6), M. Thiemens(5), M. M. Fogler(1), A. H. Castro-Neto(7), C. N. Lau(3), F. Keilmann(8), D. N. Basov(1) (1) Department of Physics, University of California, San Diego (2) Materials Research Science and Engineering Center, University of Maryland, College...
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  11. 95. High THz field induced dynamics of Sr14Cu24O41
    Elsa Abreu (Department of Physics, Boston University)
    23/07/2012, 20:00
    Correlated Physics
    Student Poster Competition
    Elsa Abreu, Department of Physics, Boston University, USA Ravi Singh, Department of Physics, University of Warwick, UK Verner K. Thorsmolle, Department of Condensed Matter Physics, University of Geneva, Switzerland Geetha Balakrishnan, Department of Physics, University of Warwick, UK Richard D. Averitt, Department of Physics, Boston University, USA Dynamical studies of far infrared...
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  12. 36. Hybridization gap and anisotropic far-infrared optical conductivity of URu2Si2
    Julien Levallois (DPMC - University of Geneva)
    23/07/2012, 20:00
    Correlated Physics
    Poster
    J. Levallois (1), F. Lévy-Bertrand (1,2), M.K. Tran (1), D. Stricker (1), J.A. Mydosh (3), Y.-K. Huang (4) and D. van der Marel (1) 1) Département de Physique de la Matière Condensée, Université de Genève, CH-1211 Genève 4, Switzerland 2) Institut Néel, CNRS et Université Joseph Fourier, BP 166, F-38042 Grenoble Cedex 9, France 3) Kamerlingh Onnes Laboratory, Leiden...
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  13. 68. Imaging the Electric Breakdown in V2O3 at the Nanoscale
    Stefan Guénon (Department of Physics and Center for Advanced Nanoscience, University of California San Diego)
    23/07/2012, 20:00
    Metal-Insulator Systems
    Poster
    S. Guénon (1) S. Scharinger (2) S. Wang (1) J. G. Ramirez (1) D. Koelle (2) R. Kleiner (2) Ivan K. Schuller (1) (1) Department of Physics and Center for Advanced Nanoscience, University of California San Diego (2 ) Physikalisches Institut–Center for Collective Quantum Phenomena and their Applications in LISA+, Universität Tübingen, Auf der Morgenstelle 14, D-72076 Tübingen,...
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  14. 44. In-plane electronic anisotropy in the optical spectra of Ba(Fe1-xCox)2As2
    Masamichi NAKAJIMA (Department of Physics, University of Tokyo)
    23/07/2012, 20:00
    Correlated Physics
    Poster
    M. Nakajima1,2,3, S. Ishida1,2,3, K. Kihou2,3, C. H. Lee2,3, A. Iyo2,3, H. Eisaki2,3, T. Kakeshita1,3, and S. Uchida1,3 1Department of Physics, University of Tokyo 2National Institute of Advanced Industrial Science and Technology 3JST, Transformative Research-Project on Iron Pnictides The magnetostructural phase in undoped and underdoped iron-arsenide superconductors attracts much...
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  15. 102. Infrared probe of p-doped GaAs in the ferromagnetic semiconductor GaMnAs and non-magnetic system GaBeAs
    Brian Chapler (University of California San Diego)
    23/07/2012, 20:00
    Spin Phenomena
    Student Poster Competition
    B. C. Chapler, University of California San Diego S. Mack, University of California Santa Barbara R. C. Myers, The Ohio State University L. Ju, University of California Berkeley B. W. Boudouris, University of California Berkeley R. A. Segalman, University of California Berkeley K. S. Burch, University of Toronto N. Samarth, The Pennsylvania State University F. Wang, University of...
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  16. 107. Infrared signatures of ambipolar injection in narrow gap Donor-Acceptor polymer transistors
    Omar Khatib (UCSD)
    23/07/2012, 20:00
    Correlated Physics
    Student Poster Competition
    Omar Khatib (UCSD), Jonathan D. Yuen (Univ. of Waterloo), Jim Wilson (UCSD), Rajeev Kumar (Nanoterra), Fred Wudl (UCSB), Max Di Ventra (UCSD), Alan J. Heeger (UCSB), Dimitri N. Basov (UCSD) Donor-Acceptor (D-A) copolymers have recently emerged as versatile materials for use in a large variety of device applications. Specifically, these systems possess extremely narrow bandgaps, enabling...
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  17. 78. Infrared study of carrier scattering in graphene field effect device 2h0'
    E.J. Choi (Univ. of Seoul, Korea)
    23/07/2012, 20:00
    Graphene
    Poster
    Joo Youn Kim (University of Seoul, Seoul 130-743, Republic of Korea) Kwangnam Yu (University of Seoul, Seoul 130-743, Republic of Korea) Chul Lee (University of Seoul, Seoul 130-743, Republic of Korea) Sukang Bae (Sungkyunkwan University, Suwon 440-746, Republic of Korea) Sang Jin Kim (Sungkyunkwan University, Suwon 440-746, Republic of Korea) Keun Soo Kim (Sejong University, Graphene...
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  18. 149. Infrared study of tunable magnetoplasmons in graphene
    Zhiqiang Li (National High Magnetic Field Laboratory)
    23/07/2012, 20:00
    Graphene
    Poster
    Hugen Yan (IBM T. J. Watson Research Center) Zhiqiang Li (National High Magnetic Field Laboratory) Wenjuan Zhu (IBM T. J. Watson Research Center) Phaedon Avouris (IBM T. J. Watson Research Center) Fengnian Xia (IBM T. J. Watson Research Center) The Dirac plasmons in graphene are of great fundamental and practical interest due to their very unique properties. We present infrared...
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  19. 76. Infrared study on the electronic structure of metallic pyrochlore Bi2Ir2O7
    Yunsang Lee (UCSD/Soongsil University)
    23/07/2012, 20:00
    Transition Metal Oxides
    Poster
    Y. S. Lee1,2, S. J. Moon1, Scott C. Riggs3, M. C. Shapiro3, I. R. Fisher3, and D. N. Basov 1 University of California at San Diego, La Jolla, CA 92093 2 Soongsil University, Seoul 156-743, Korea 3 Stanford University, Stanford, CA 94305 We investigated the electronic structure of a metallic pyrochlore Bi2Ir2O7 by using infrared spectroscopy. Consistent with a metallic response in...
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  20. 62. Low energy electrodynamics of the Kondo-lattice antiferromagnet CeCu$_2$Ge$_2$
    Grace Bosse (The Institute for Quantum Matter, Department of Physics and Astronomy, Johns Hopkins University)
    23/07/2012, 20:00
    Heavy Fermions
    Poster
    Grace Bosse, The Institute for Quantum Matter, Department of Physics and Astronomy, Johns Hopkins University L. Bilbro, The Institute for Quantum Matter, Department of Physics and Astronomy, Johns Hopkins University R. Valdes Aguilar, The Institute for Quantum Matter, Department of Physics and Astronomy, Johns Hopkins University L. Pan, The Institute for Quantum Matter, Department of...
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  21. 53. Low energy electronic excitations and magneto-phonon resonance in graphite and graphene
    Dmitry Smirnov (National High Magnetic Field Laboratory)
    23/07/2012, 20:00
    Graphene
    Poster
    Y. Kim1, J. M. Poumirol1, Y. Ma2, A.Imambekov2, A. Lombardo3, N. G. Kalugin4, J. Kono5, T. Georgiou6, A. K. Geim6, K. S. Novoselov6, A. C. Ferrari3, and D. Smirnov1 1 National High Magnetic Field Laboratory, Tallahassee, FL 32310, USA 2 Department of Physics and Astronomy, Rice University, Houston, Texas 77005, USA 3 Engineering Department, Cambridge University, Cambridge, CB3 0FA, UK 4...
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  22. 51. Low-frequency optics on Sr_(1−x)Ca_(x)RuO_(3)
    Marc Scheffler (Universität Stuttgart, Germany)
    23/07/2012, 20:00
    Transition Metal Oxides
    Poster
    Marc Scheffler, 1. Physikalisches Institut, Universität Stuttgart, 70550 Stuttgart, Germany Diana Geiger, 1. Physikalisches Institut, Universität Stuttgart, 70550 Stuttgart, Germany Martin Dressel, 1. Physikalisches Institut, Universität Stuttgart, 70550 Stuttgart, Germany Melanie Schneider, I. Physikalisches Institut, Georg-August-Universität Göttingen, 37077 Göttingen, Germany Philipp...
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  23. 94. Magnetic field induced color change in α-Fe2O3 single crystals
    Peng Chen (Department of Chemistry, University of Tennessee, Knoxville, Tennessee 37996, USA)
    23/07/2012, 20:00
    Spin Phenomena
    Student Poster Competition
    P. Chen,1 N. Lee,2 S. McGill,3 S. -W. Cheong,2 and J. L. Musfeldt1 1 Department of Chemistry, University of Tennessee, Knoxville, Tennessee 37996, USA 2 Rutgers Center for Emergent Materials and Department of Physics & Astronomy, Rutgers University, Piscataway, New Jersey 08854, USA 3 National High Magnetic Field Laboratory, Tallahassee, Florida 32310, USA We investigated the...
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  24. 31. Measuring Collective CDW Excitations throughout momentum space using XUV ARPES
    Stefan Kaiser (Max Planck Department for Structural Dynamics, CFEL, U Hamburg)
    23/07/2012, 20:00
    Metal-Insulator Systems
    Poster
    S. Kaiser 1, J.C. Petersen 1,2, A. Simoncig 1, H.Y. Liu 1, N. Dean 1,2 ,A.L. Cavalieri 1, C. Cacho 3, I.C.E. Turcu 3, E. Springate 3, F. Frassetto 4, L. Poletto 4, S. S. Dhesi 5, H.Berger 6, T. Cuk 7, and A. Cavalleri 1,2 1 Max Planck Dept. for Structural Dynamics, Centre for Free-Electron Laser Science, University of Hamburg, Hamburg, Germany 2 Clarendon Laboratory, Oxford University, Parks...
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  25. 96. Na2IrO3 by ARPES: a spin-orbit-induced band insulator.
    Riccardo Comin (University of British Columbia)
    23/07/2012, 20:00
    Spin Phenomena
    Student Poster Competition
    R. Comin,1 G. Levy,1 B. Ludbrook,1 Z.-H. Zhu,1 C. Veenstra,1 J. Rosen,1 Y. Singh,2 P. Gegenwart,3 D. Stricker,4 J. Hancock,4 D. van der Marel,4 I. Elfimov,1, 5 and A. Damascelli1, 5 1 Department of Physics & Astronomy, University of British Columbia, Vancouver, British Columbia V6T 1Z1, Canada 2 Indian Institute of Science Education and Research (IISER) Mohali, Knowledge city, Sector 81,...
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  26. 162. Near-field spectroscopy of optically doped graphene
    Martin Wagner (UCSD)
    23/07/2012, 20:00
    Graphene
    Poster
    M. Wagner(1), Z. Fei(1), A. S. McLeod(1), A. S. Rodin(1), W. Bao(2,3), L. M. Zhang(4), Zeng Zhao(3), M. Thiemens(5), M. M. Fogler(1), A. H. Castro-Neto(6), C. N. Lau(3), F. Keilmann(7), D. N. Basov(1) 1-Department of Physics, University of California San Diego, La Jolla, California 92093, USA 2-Materials Research Science and Engineering Center, University of Maryland, College Park, Maryland...
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  27. 48. Optical Properties of (SrMnO3)n/(LaMnO3)2n Superlattices: An Insulator-to-Metal Transition Observed in the Absence of Disorder
    Andrea Perucchi (ELETTRA - Sincrotrone Trieste)
    23/07/2012, 20:00
    Metal-Insulator Systems
    Poster
    A. Perucchi1, L. Baldassarre1, A. Nucara2, P. Calvani2, C. Adamo3, D.G. Schlom3, P. Orgiani4, L. Maritato4, S. Lupi5 1) Sincrotrone Trieste, Area Science Park, I-34012 Trieste, Italy 2) CNR-SPIN and Dipartimento di Fisica, Università Sapienza, P.le A. Moro 2, I-00185 Rome, Italy 3) Department of Materials Science and Engineering, Cornell University, Ithaca, New York 14853-1501,...
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  28. 100. Orbital fluctuations and orbital order below the Jahn-Teller transition in Sr3Cr2O8
    Zhe Wang (EP 5, EKM, Institute for Physics, Augsburg University, Augsburg, Germany)
    23/07/2012, 20:00
    Spin Phenomena
    Student Poster Competition
    Zhe Wang, Joachim Deisenhofer, Michael Schmidt, Franz Mayr, Hans-Abrecht Krug von Nidda, and Alois Loidl Experimental Physics V, Center for Electronic Correlations and Magnetism, Institute of Physics, University of Augsburg, D-86135 Augsburg, Germany Yuan Wan Department of Physics and Astronomy, Johns Hopkins University, Baltimore, Maryland 21218, USA Diana Lucia Quintero-Castro, A....
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  29. 11. Plasmarons and phonons in finite momentun optical conductivity of graphene
    Jules Carbotte (McMaster University)
    23/07/2012, 20:00
    Graphene
    Poster
    J.P. Carbotte, McMaster University J.P.F. LeBlanc, University of Guelph E.J. Nicol, University of Guelph Mid infrared nanoscopy has recently been successfully applied to graphene. In principle, this technique could be used to obtain some information on the finite momentum q optical conductivity sigma(q,omega) as a function of energy omega. Consequently, this novel experimental probe could...
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  30. 14. Quantum Hall effect from 2D surface states of the 3D topological insulator HgTe
    Andreas V. Stier (Johns Hopkins University)
    23/07/2012, 20:00
    Topological Insulators
    Poster
    Andreas V. Stier, Department of Physics and Astronomy, The Johns Hopkins University Liang Wu, Department of Physics and Astronomy, The Johns Hopkins University Christopher Morris, Department of Physics and Astronomy,The Johns Hopkins University Rolando Valdes-Aguilar,Department of Physics and Astronomy,The Johns Hopkins University Tony Almeida, US Army NVESD Alexey Suslov, National High...
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  31. 66. Reconfigurable gradient index using VO2 memory metamaterials
    Michael Goldflam (University of California, San Diego)
    23/07/2012, 20:00
    Metal-Insulator Systems
    Poster
    M. D. Goldflam (UCSD), T. Driscoll (UCSD, Duke), B. Chapler (UCSD), O. Khatib (UCSD), N. Marie Jokerst (Duke), S. Palit (Duke), D. R. Smith (Duke), B.-J. Kim (ETRI), G. Seo (UST), H.-T. Kim (ETRI, UST), M. D. Ventra (UCSD), and D. N. Basov (UCSD) We have demonstrated tuning of a hybrid metamaterial device that incorporates a form of spatial gradient control. Hybrid metamaterials are...
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  32. 155. Sliding Phononic Gaps in the Charged Incommensurate Planes of Sr14Cu24O41
    Adrian Gozar (Brookhaven National Laboratory)
    23/07/2012, 20:00
    Correlated Physics
    Poster
    Adrian Gozar Condensed Matter Physics and Materials Science Department, Brookhaven National Laboratory, Upton, New York 11973, USA Christopher Homes Condensed Matter Physics and Materials Science Department, Brookhaven National Laboratory, Upton, New York 11973, USA Girsh Blumberg Department of Physics and Astronomy, Rutgers, The State University of New Jersey, Piscataway, New Jersey...
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  33. 105. Structure of the hidden order gap in URu$_2$Si$_2$ revealed by optical spectroscopy
    Jesse Hall (McMaster University)
    23/07/2012, 20:00
    Correlated Physics
    Student Poster Competition
    Jesse Hall (McMaster University), Toomas R\~o\~om, Taaniel Uleksin, Urmas Nagel (Estonian National Institute for Chemical Physics and Biophysics), Noravee Kanchanavatee, Marc Janoschek, M. Brian Maple (University of California San Diego), Travis Williams, Graeme Luke, and Tom Timusk (McMaster University). Among the heavy fermion compounds URu2Si2 has attracted considerable study due to the...
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  34. 73. Synthesis and Magnetic Dynamics of Multiferroic Chromates
    Andrei Pimenov (Vienna University of Technology)
    23/07/2012, 20:00
    Spin Phenomena
    Poster
    Anna Pimenov (1), Ch. Kant (1), V. Tsurkan (2), A. Loidl (2), A. Vasiliev (3), L. Svistov (3) , L. Prozorova (3), A. Pimenov (1) (1) Institute of Solid State Physics, Vienna University of Technology, 1040 Vienna, Austria (2) Experimentalphysik V, EKM, University of Augsburg, 86159 Augsburg, Germany (3) Kapitza Institute of Physical Problems, 119334 Moscow, Russia We describe the...
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  35. 55. Terahertz Response and Colossal Kerr Rotation from the Surface States of the Topological Insulator Bi2Se3
    Rolando Valdes Aguilar (Department of Physics and Astronomy. Johns Hopkins University)
    23/07/2012, 20:00
    Topological Insulators
    Poster
    R. Valdés Aguilar1, A. V. Stier1, W. Liu1, L. S. Bilbro1, D. K. George2, N. Bansal3, L. Wu1, J. Cerne2, A. G. Markelz2, S. Oh3, and N. P. Armitage1 1. The Institute for Quantum Matter, Department of Physics and Astronomy, The Johns Hopkins University, Baltimore, Maryland 21218, USA 2. Department of Physics, University at Buffalo, State University of New York. Buffalo, New York 14260, USA 3....
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  36. 23. Three-dimensional band structure of heavy fermion CeCoIn5 measured by photon-dependent angle resolved photoemission
    Jonathan Denlinger (Lawrence Berkeley National Lab)
    23/07/2012, 20:00
    Heavy Fermions
    Poster
    J. D. Denlinger, Lawrence Berkeley National Laboratory J. W. Allen, University of Michigan L. Dudy, University of Würzburg K. Rossnagel, University of Kiel P. M. Oppeneer, Uppsala University V. S. Zapf, Los Alamos National Laboratory M. B. Maple, U. of California at San Diego Photon-energy dependent angle-resolved photoemission spectroscopy (ARPES) is used to map the 3D band...
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  37. 99. Three-Dimensional Electronic structure of Li1+xFeAs
    Tetsuya Hajiri (Nagoya University)
    23/07/2012, 20:00
    Spin Phenomena
    Student Poster Competition
    Tetsuya Hajiri ^A, B^ Takahiro Ito ^A,C^ Ryosuke Niwa ^A^ Satoshi Hirate ^A^ Masaharu Matsunami ^B,D^ Byeong Hun Min ^E^, Yong Seung Kwon ^E^ Shin-ichi Kimura ^B,D^ ^A^ Graduate School of Engineering, Nagoya University, Nagoya 464-8603, Japan ^B^ UVSOR Facility, Institute for Molecular Science, Okazaki 444-8585, Japan ^C^ Nagoya University Synchrotron Radiation Research Center,...
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  38. 72. Time-domain THz spectroscopy of central modes in BaTiO3 and SrTiO3
    Hynek Nemec (Institute of Physics AS CR, Na Slovance 2, 18221 Praha, Czech Republic)
    23/07/2012, 20:00
    Metal-Insulator Systems
    Poster
    H. Němec, V. Skoromets, C. Kadlec, T. Ostapchuk, J. Hlinka, J. Petzelt, and P. Kužel Institute of Physics AS CR, Na Slovance 2, 18221 Praha, Czech Republic The dielectric response to terahertz (THz) waves of many materials exhibiting ferroelectric phase transition provides unique information about its origin and driving mechanisms. We will discuss this issue within the frame of recently...
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  39. 29. Topological surface state dispersion measured using THz magneto-ellipsometry
    Jason Hancock (University of Geneva/University of Connecticut)
    23/07/2012, 20:00
    Topological Insulators
    Poster
    Jason N. Hancock, J. L. M. van Mechelen, Alexey Kuzmenko, Dirk van der Marel, University of Geneva Christophe Brune, Elena Novik, Georgy Astakhov, Hartmut Buhmann, Laurens Molenkamp, Wurzburg University We present an ambient field and magneto-optical study of the three-dimensional topological insulator, strained HgTe. The ac conductance of the thin film is in good agreement with the dc...
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  40. 64. Ultrafast carrier dynamics in CVD graphene probed by terahertz spectroscopy
    Alex Frenzel (Harvard / MIT)
    23/07/2012, 20:00
    Graphene
    Poster
    Alex Frenzel, Harvard University / MIT Nityan Nair, Massachusetts Institute of Technology Nathaniel Gabor, Massachusetts Institute of Technology Nuh Gedik, Massachusetts Institute of Technology The relaxation of the electronic system in graphene plays a crucial role in a variety of proposed optoelectronic devices, including bolometers, photodetectors, and solar cells. Time-resolved...
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