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Low Energy Electrodynamics in Solids 2012

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

Session

Pnictides

24 Jul 2012, 14:00
Chardonnay Ballroom (Embassy Suites Napa Valley)

Chardonnay Ballroom

Embassy Suites Napa Valley

1075 California Boulevard, Napa, California, United States 94559

Conveners

Pnictides

  • Laszlo Mihaly (Stony Brook University)

Presentation materials

There are no materials yet.

  1. 113. Anisotropic in-plane optical conductivity in detwinned iron-pnictides
    Leonardo Degiorgi (ETH Zurich)
    24/07/2012, 14:00
    Pnictides
    Invited
    A. Dusza, A. Lucarelli and L. Degiorgi Dep. of Physics, ETH Zurich, Switzerland J.-H. Chu and I.R. Fisher Dep. of Physics, Stanford University, U.S.A. We study the anisotropic in-plane optical conductivity of detwinned Ba(Fe_(1-x)Co_x)_2As_2 single crystals for x=0, 2.5% and 4.5% in a broad energy range (3 meV-5 eV) across their structural and magnetic transitions. For temperatures...
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  2. 124. Optical spectroscopy study on Fe-pnictides/chalcogenides
    Nan-Lin Wang (Institute of Physics, Chinese Academy of Sciences, Beijing, China)
    24/07/2012, 14:30
    Pnictides
    Invited
    N. L. Wang, Institute of Physics, Chinese Academy of Sciences, Beijing 100190, China I present our optical spectroscopic measurements on several different Fe-based superconducting systems. We find that, for all investigated FeAs-based compounds, the optical conductivity spectra contain, in addition to the free carrier response at low frequency, a peculiar temperature-dependent gap-like...
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  3. 85. Optical conductivity of (Ba,K)Fe2As2: observation of a normal state pseudogap and the effect of impurity scattering in the superconducting order parameter
    Ricardo Lobo (LPEM, ESPCI-CNRS)
    24/07/2012, 15:00
    Pnictides
    Rapid
    R.P.S.M. Lobo LPEM, ESPCI-CNRS, Paris, France Y.M. Dai and B. Xu, LPEM, ESPCI-CNRS, Paris, France IOP, CAS, Beijing, China H.H. Wen IOP, CAS, Beijing, China Nanjing University, Nanjing, China X.G. Qiu IOP, CAS, Beijing, China We measured the detailed temperature dependence of the optical conductivity, down to 15 cm-1 (2 meV), of (Ba,K)Fe2As2 iron-pnictide superconductors in...
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  4. 87. Infrared pseudogap in the $ab$-plane and $c$-axis responses of the pnictide high-$T_c$ superconductors
    Soonjae Moon (Department of Physics, Hanyang University)
    24/07/2012, 15:15
    Pnictides
    Rapid
    S. J. Moon$^{1,2}$, A. A. Schafgans$^{1}$, M. A. Tanatar$^{3}$, R. Prozorov$^{3}$, A. Thaler$^{3}$, P. C. Canfield$^{3}$, S. Kasahara$^{4}$, T. Shibauchi$^{5}$, T. Terashima$^{4}$, Y. Matsuda$^{5}$, A. S. Sefat$^{6}$, D. Mandrus$^{6,7}$, and D. N. Basov$^{1}$ $^{1}$Department of Physics, University of California, San Diego, La Jolla, California 92093, USA $^{2}$Department of Physics,...
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