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Dresden 2020 – wissenschaftliches Programm

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TT: Fachverband Tiefe Temperaturen

TT 34: Correlated Electrons: f-Electron Systems and Heavy Fermions 1

Mittwoch, 18. März 2020, 09:30–13:00, HSZ 204

09:30 TT 34.1 Crystal-field wave function of CeCu2Si2 across Tc and TK studied with linear polarized x-ray absorption — •andrea marino, andrea amorese, martin sundermann, kai chen, gertrud zwicknagl, maurits haverkort, frank steglich, liu hao tjeng, and andrea severing
09:45 TT 34.2 Temperature and Momentum Dependences of the Kondo Peak in the Heavy-Fermion System CeRh2Si2 — •Georg Poelchen, Susanne Schulz, Monika Güttler, Max Mende, Alexander Generalov, Christoph Geibel, Cornelius Krellner, Steffen Danzenbächer, James W Allen, Clemens Laubschat, Yuri Kucherenko, and Denis V Vyalikh
10:00 TT 34.3 TbRh2Si2 and TbIr2Si2: Single crystal growth and characterization — •Alexej Kraiker, Kristin Kliemt, and Cornelius Krellner
10:15 TT 34.4 Superconductivity and heavy-fermion behavior in locally non-centrosymmetric LnIr2As2 (Ln = La and Ce) — •Seunghyun Khim, Markus König, and Christoph Geibel
10:30 TT 34.5 Quasiparticle bands in the locally non-centrosymmetric heavy-fermion CeRh2As2 — •Évrard-Ouicem Eljaouhari, Sébastien Burdin, and Gertrud Zwicknagl
10:45 TT 34.6 CeRu2P2 and CeCo2P2: Single Crystal Growth Method and Magnetic Properties — •Fabian Feldmann, Marius Peters, Johannes Hellwig, Kristin Kliemt, and Cornelius Krellner
11:00 TT 34.7 Orientation of ground-state orbital in CeCoIn5 and CeRhIn5 — •Martin Sundermann, Andrea Amorese, Fabio Strigari, Brett Leedahl, Liu Hao Tjeng, Maurits W. Haverkort, Hlynur Gretarsson, Hasan Yavaş, Marco Moretti Sala, Eric D. Bauer, Priscila F. S. Rosa, Joe D. Thompson, and Andrea Severing
  11:15 15 min. break.
11:30 TT 34.8 Investigation of Ce-based Materials with Multiple Inequivalent Kondo-sites.Jardoslav Valenta, Petr Opletal, Jan Fikáček, Elen Duverger Nedellec, Jiří Pospíšil, Shinsaku Kambe, Hironori Sakai, Yo Tokunaga, Russel E Walstedt, Robert Küchler, Jacintha Banda, Manuel Brando, and •Jeroen Custers
11:45 TT 34.9 Valence effect in the thermopower of Eu systems — •Ulrike Stockert, Silvia Seiro, Nubia Caroca-Canales, Elena Hassinger, and Christoph Geibel
12:00 TT 34.10 Crystal growth of the valence fluctuating system EuPd2Si2 — •Marius Peters, Kristin Kliemt, Eunhyung Cho, Doan-My Tran, Franz Ritter, and Cornelius Krellner
12:15 TT 34.11 Crystal growth and characterization of isotope-pure YbRh2Si2 (171Yb, 173Yb, 174Yb) — •Sebastian Witt, Susanna Rongstock, Thanh Duc Nguyen, Manuel Brando, and Cornelius Krellner
12:30 TT 34.12 Extremely weak magnetic exchange in metallic 4f-electron system leads to enormous magnetocaloric effect — •Thomas Gruner, Jiasheng Chen, Dongjin Jang, Jacintha Banda, Christoph Geibel, Manuel Brando, and Malte Grosche
12:45 TT 34.13 Visualizing the Kondo lattice crossover in an Yb-based heavy fermion system with Compton scattering — •Monika Güttler, Kurt Kummer, Akihisa Koizumi, Kristin Kliemt, Cornelius Krellner, Clemens Laubschat, and Denis Vyalikh
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