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Regensburg 2013 – scientific programme

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TT: Fachverband Tiefe Temperaturen

TT 27: Superconductivity: Fe-based Superconductors - 122

Tuesday, March 12, 2013, 09:30–13:15, H18

09:30 TT 27.1 Topical Talk: Hydrostatic-Pressure Tuning of Magnetic, Nonmagnetic and Superconducting States in Annealed Ca(Fe1−xCox)2As2 — •Elena Gati, Sebastian Köhler, Daniel Guterding, Bernd Wolf, Stephan Knöner, Sheng Ran, Sergey L. Bud’ko, Paul C. Canfield, and Michael Lang
10:00 TT 27.2 Electronic structure, magnetic and superconducting properties of co-doped iron-arsenide superconductors — •Helge Rosner, Walter Schnelle, Franziska Weikert, Michael Nicklas, Jochen Wosnitza, and Andreas Leithe-Jasper
10:15 TT 27.3 Crystal growth and physical properties of Na-doped BaFe2As2 superconducting single crystals — •S. Aswartham, M. Abdel-Hafiez, D. Bombor, A. U. B. Wolter, M. Kumar, C. Hess, D. V. Evtushinsky, V. B. Zabolotnyy, A. A. Kordyuk, T. K. Kim, S. V. Borisenko, S. Wurmehl, and B. Büchner
10:30 TT 27.4 Raman active phonons in twin-free BaFe2As2 — •Andreas Baum, Bernhard Muschler, Florian Kretzschmar, Jiun-Haw Chu, James G. Analytis, Ian R. Fisher, and Rudi Hackl
10:45 TT 27.5 Thermopower as sensitive probe of electronic nematicity in iron pnictidesShuai Jiang, H.S. Jeevan, Jinkui Dong, and •Philipp Gegenwart
  11:00 15 min. break
11:15 TT 27.6 Softening of the elastic shear mode C66 in iron-based superconductors — •Anna Böhmer, Philipp Burger, Frédéric Hardy, Peter Schweiss, Rainer Fromknecht, Thomas Wolf, Christoph Meingast, Marius Reinecker, and Wilfried Schranz
11:30 TT 27.7 Paramagnetic limiting of the upper critical field of KFe2As2 studied by low temperature thermal expansion and magnetostriction — •Diego A. Zocco, Kai Grube, Sebastian Zaum, Felix Eilers, Roland Schäfer, Thomas Wolf, Philipp Burger, Frédéric Hardy, Anna Böhmer, Christoph Meingast, and Hilbert von Löhneysen
11:45 TT 27.8 Pressure dependencies and first-order transition in KFe2As2 — •Philipp Burger, Anna Böhmer, Frédéric Hardy, Thomas Wolf, Peter Schweiss, Rainer Fromknecht, and Christoph Meingast
12:00 TT 27.9 Effect of uniaxial stress and doping on structural and electronic properties of BaFe2As2 and CaFe2As2 — •Milan Tomic, Roser Valenti, and Harald O. Jeschke
12:15 TT 27.10 Coherent phonon oscillations in 122 FeAs compounds — •L. Rettig, R. Cortes, T. Rohwer, P. Gegenwart, H.S. Jevaan, T. Wolf, B. Kamble, I. Eremin, L. Kipp, K. Rossnagel, M. Bauer, J. Fink, M. Wolf, and U. Bovensiepen
12:30 TT 27.11 Strain induced bulk superconductivity in BaFe2As2 thin films — •Jan Engelmann, Paul Chekhonin, Werner Skrotzki, Ruben Hühne, Fritz Kurth, Silvia Haindl, Kazumasa Iida, Ludwig Schultz, Holzapfel Bernhard, and Grinenko Vadim
12:45 TT 27.12 Intrinsic ab-Plane Pinning in Epitaxial Pnictide Thin Films — •Jens Haenisch, Kazumasa Iida, Fritz Kurth, Michael Schulze, Sabine Wurmehl, Shinya Ueda, Michio Naito, Chiara Tarantini, Jan Jaroszynski, Ludwig Schultz, and Bernhard Holzapfel
13:00 TT 27.13 Investigations of pnictide superconductors - three Josephson junction aproaches — •Stefan Schmidt, Sebastian Döring, Martin Feltz, Noor Ali Hasan, Sandra Gottwals, Frank Schmidl, Silvia Haindl, Kazumasa Iida, Fritz Kurth, Bernhard Holzapfel, and Paul Seidel
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