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Berlin 2012 – wissenschaftliches Programm

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TT: Fachverband Tiefe Temperaturen

TT 8: Superconductivity: Fe-based Superconductors - 122 Part 1

Montag, 26. März 2012, 15:00–18:30, H 2053

15:00 TT 8.1 Elastic anomalies in Ba(Fe1−xCox)2As2 — •Christoph Meingast, Anna Böhmer, Frederic Hardy, Philipp Burger, Peter Adelmann, Doris Ernst, Rainer Fromknecht, Peter Schweiss, Rolf Heid, and Thomas Wolf
15:15 TT 8.2 Pair-breaking in overdoped Ba(Fe1−xCox)2As2: Evidence for s± superconductivity — •Frédéric Hardy, Robert Eder, Thomas Wolf, Rolf Heid, Philipp Burger, Anna Böhmer, Peter Schweiss, and Christoph Meingast
15:30 TT 8.3 Spectroscopic study of transition metal impurities in iron pnictides — •Roberto Kraus, Valentina Bisogni, Luminita Harnagea, Saicharan Aswartham, Sabine Wuhrmehl, Bernd Büchner, and Jochen Geck
15:45 TT 8.4 Scanning tunneling spectroscopy in Co-doped BaFe2As2: What density functional theory can tell us. — •Klaus Koepernik, Steven Johnston, Jeroen van den Brink, Erik van Heumen, and Mark S. Golden
16:00 TT 8.5 Universal microscopic description of the infrared conductivity of 122 iron arsenides — •Aliaksei Charnukha, Oleg V. Dolgov, Alexander A. Golubov, Yulia Matiks, Dun Lu Sun, Cheng Tian Lin, Bernhard Keimer, and Alexander V. Boris
16:15 TT 8.6 Multigap superconductivity in (Ba,K)Fe2As2 probed by thermal expansion — •Anna Böhmer, Philipp Burger, Frédéric Hardy, Thomas Wolf, Peter Schweiss, Rainer Fromknecht, and Christoph Meingast
16:30 TT 8.7 A light scattering study of the superconducting gap in Ba0.6K0.4Fe2As2 — •Florian Kretzschmar, Bernhard Muschler, Rudi Hackl, Tom Devereaux, and Hai-Hu Wen
17:00 TT 8.8 Calorimetric evidence of multiband superconductivity in A1−xNaxFe2As2 (A = Ba and Ca) single crystals — •Mahmoud Abdel-Hafiez, Saicharan Aswartham, Dirk Bombor, Luminita Harnagea, Manoj Kumar, Ashim Pramanik, Volodymr Zabolotnny, Vladislav Kataev, Christian Hess, Sabine Wurmehl, Anja U. B. Wolter, and Bernd Büchner
17:15 TT 8.9 Microscopic interplay of superconducting and magnetic order parameters in ferropnictides — •H. Maeter, T. Goltz, J. Spehling, H.-H. Klauss, M. Bendele, H. Luetkens, R. Khasanov, G. Pascua, Z. Shermadini, A. Amato, S. Aswartham, J. E. Hamann-Borrero, A. Kondrat, C. Hess, A. Wolter, S. Wurmehl, G. Behr, B. Büchner, E. Wiesenmayer, D. Johrendt, H. Potts, and B. Banusch
17:30 TT 8.10 Influence of doping in KFe2As2 superconducting single crystals — •S. Aswartham, M. Roslova, I. V. Morozov, A. U.B Wolter, M. Kumar, C. Heß, S. Wurmehl, and B. Büchner
17:45 TT 8.11 Enhancement of the upper critical field in codoped iron-arsenic high-temperature superconductors — •H. Rosner, M. Nicklas, W. Schnelle, A. Leithe-Jasper, J. Wosnitza, and F. Weickert
18:00 TT 8.12 Electronic properties of BaFe2As2 and CaFe2As2 under hydrostatic and non-hydrostatic pressure conditions — •Milan Tomić, Roser Valentí, and Harald Jeschke
18:15 TT 8.13 Dispersive High-Energy Spin Excitations in Iron Pnictide Superconductors Investigated with RIXS — •Thorsten Schmitt, Kejin Zhou, Y. B. Huang, C. Monney, V. N. Strocov, J. van den Brink, and H. Ding
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