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Berlin 2008 – scientific programme

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TT: Fachverband Tiefe Temperaturen

TT 6: Correlated Electrons: Heavy Fermions

Monday, February 25, 2008, 09:30–12:45, EB 202

09:30 TT 6.1 Crystal-field ground states of CeX2Si2 (X= Cu, Ru, Rh,Pd, and Au) determined by linear polarized soft x-ray absorptionat the Ce M4,5 edges — •T. Willers, A. Severing, C.-F. Chang, P. Hansmann, M.W. Haverkort, N. Hollmann, Z. Hu, H.J. Lin, C.T. Chen, H. Aoki, E. Bauer, C. Geibel, P. Lejay, and L.H. Tjeng
09:45 TT 6.2 Do magnetism and superconductivity coexist in CeCu2Si2 with 2 % and 10 % Ge doping? — •J. Arndt, O. Stockert, M. Deppe, H.S. Jeevan, K. Schmalzl, A. Schneidewind, C. Geibel, and F. Steglich
10:00 TT 6.3 Investigation of the magnetic and the superconducting states of CeCu2(Si1−xGex) using single crystals — •Hirale S Jeevan, Takeshi Nakanishi, Julia Arndt, Enrico Faulhaber, Oliver Stockert, Micha Deppe, Tomasz Cichorek, Frank Steglich, and Christoph Geibel
10:15 TT 6.4 Magnetoresistance and anomalous Hall effect in ferromagnetic CeSi1.81 — •Robert Ritz, Andreas Neubauer, Stefan Legl, Christian Pfleiderer, Dmitri Souptel, and Günter Behr
10:30 TT 6.5 A precursor state to unconventional superconductivity in the heavy fermion superconductor CeIrIn5 — •Sunil Nair, S. Wirth, M. Nicklas, J. L. Sarrao, J. D. Thompson, Z. Fisk, and F. Steglich
10:45 TT 6.6 Pressure and concentration tuning of CeNixPt1−x compounds — •Nadezda Bagrets, Veronika Fritsch, and Hilbert v. Löhneysen
  11:00 15 min. break
11:15 TT 6.7 Relevance of the pseudogap for the thermopower of CeNiSn — •Ulrike Köhler, Peijie Sun, Toshiro Takabatake, Silke Paschen, Niels Oeschler, and Frank Steglich
11:30 TT 6.8 The new Heavy Fermion System CeFePO: A 31P NMR study — •Eva Maria Brüning, Michael Baenitz, Cornelius Krellner, Christoph Geibel, and Frank Steglich
11:45 TT 6.9 ESR Study on CeRuPO single crystals — •Tobias Förster, Jörg Sichelschmidt, Cornelius Krellner, and Christoph Geibel
12:00 TT 6.10 Low-temperature thermodynamic and magnetic properties of the geometrically frustrated Kondo lattice Pr2Ir2O7 — •Jan Guido Donath, Philipp Gegenwart, Satoru Nakatsuji, and Yo Machida
12:15 TT 6.11 Enhanced thermopower and related phenomena in the narrow-gap semiconductor FeSb2 — •peijie sun, niels oeschler, ulrike köhler, simon johnsen, bo brummerstedt iversen, and frank steglich
12:30 TT 6.12 Optical Studies on the Strongly Correlated Semiconductor FeSb2 and on RuSb2 — •Alexander Herzog, Michael Marutzky, Jörg Sichelschmidt, Anders Bentien, Frank Steglich, Shin-ichi Kimura, Simon Johnsen, and Bo Iversen
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