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Berlin 2008 – wissenschaftliches Programm

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TT: Fachverband Tiefe Temperaturen

TT 34: Correlated Electrons: Metal-Insulator Transition 2

Donnerstag, 28. Februar 2008, 14:00–19:00, H 2053

14:00 TT 34.1 Phase transitions and orbital fluctuations in 3d2 vanadates — •Eva Pavarini, Molly De Raychaudhury, and Ole K. Andersen
14:15 TT 34.2 Magnetic Moment Collapse-Driven Mott Transition in MnO — •Jan Kunes, Alexey V. Lukoyanov, Vladimir I. Anisimov, Richard T. Scalettar, and Warren E. Pickett
14:30 TT 34.3 Birth and Death of Quasiparticles in the Mott-Hubbard Prototype V2O3Leonetta Baldassarre, Andrea Perucchi, Daniele Nicoletti, Alessandro Toschi, •Giorgio Sangiovanni, Karsten Held, Massimo Capone, and Stefano Lupi
14:45 TT 34.4 Interplay of electron-electron and electron-phonon interaction in the metal to insulator transition in vanadium oxides. — •Leonetta Baldassarre, Emanuele Arcangeletti, Andrea Perucchi, Daniele Nicoletti, Daniele Di Castro, Carlo Marini, Paolo Postorino, and Stefano Lupi
15:00 TT 34.5 Pressure-induced phase transitions in the oxyhalides TiOX — •Christine Kuntscher, Simone Frank, Alexej Pashkin, Helge Hoffmann, Matthias Klemm, Siegfried Horn, Andreas Schönleber, Sander van Smaalen, Sebastian Glawion, Michael Sing, and Ralph Claessen
15:15 TT 34.6 Spectral weight transfer upon doping in the low-dimensional Mott-Hubbard systems TiOCl and TiOBr — •Sebastian Glawion, Karin Goss, Markus Scholz, Michael Sing, and Ralph Claessen
  15:30 15 min. break
15:45 TT 34.7 Spectral weight distribution of d1 Mott insulators LaTiO3 and YTiO3H. Roth, •T.C. Koethe, Hua Wu, Z. Hu, A. Hendricks, J. Gegner, M.W. Haverkort, T. Lorenz, J.C. Cezar, N.B. Brookes, I.S. Elfimov, G.A. Sawatzky, and L.H. Tjeng
16:00 TT 34.8 Charge ordering in perovskite rare-earth titanate compounds — •A. C. Komarek, M. Reuther, N. Hollmann, A. Cousson, F. Bouree, M. Hölzel, A. Senyshyn, P. Link, D. Trots, C. Baehts, T. Lorenz, and M. Braden
16:15 TT 34.9 Dynamic scaling at MIT in yttrium hydride switchable mirrors — •A. V. Pronin, I. G. Romijn, H. B. Brom, A. F. Th. Hoekstra, and J. Wosnitza
16:30 TT 34.10 Bulk electronic structure of the layered cobaltate La2−xSrxCoO4 — •A. Hendricks, T.C. Koethe, Z. Hu, N. Hollmann, M. Benomar, M. Cwik, T. Lorenz, and L.H. Tjeng
16:45 TT 34.11 The spin state issue in the RBaCo2O5.5 cobaltates — •Hua Wu, Zhiwei Hu, Tobias Burnus, Daniel Khomskii, and Liu Hao Tjeng
17:00 TT 34.12 X-ray absorption and x-ray magnetic dichroism study on Ca3CoRhO6 and Ca3FeRhO6 — •Tobias Burnus, Zhiwei Hu, Júlio C. Cezar, Seiji Niitaka, Hua Wu, Hidenori Takagi, Chun Fu Chang, Nicholas B. Brookes, Ling-Yun Jang, Keng S. Liang, and L. Hao Tjeng
  17:15 15 min. break
17:30 TT 34.13 Crystal Structure of layered manganites — •Olaf Schumann, Stephen Price, Hua Wu, Theresa Fernandez-Diaz, Pascal Reutler, Alexandre Revcolevschi, and Markus Braden
17:45 TT 34.14 Nanometer-scale phase separation in colossal magnetoresistive manganite — •Sahana Roessler, Stefan Ernst, Steffen Wirth, Frank Steglich, B. Padmanabhan, Suja Elizabeth, and H. L. Bhat
18:00 TT 34.15 Scanning tunneling microscopy and spectroscopy study of charge and orbital ordering transition in La0.5Sr1.5MnO4 — •Grzegorz Urbanik, Paul Sass, Christian Hess, Torben Hänke, Bernd Büchner, Antoni Ciszewski, Pascal Reutler, and Alexandre Revcolevschi
18:15 TT 34.16 Hg2Ru2O7, a New Magnetic Pyrochlore Showing a Metal-Insulator Transition — •Reinhard K. Kremer, Jun Sung Kim, Wilhelm Klein, and Martin Jansen
18:30 TT 34.17 Frustrated metallicity in the quasi-one-dimensional metal PrBa2Cu4O8 — •Alessandro Narduzzo, Araz Enayati-Rad, Florence Rullier-Albenque, Shigeru Horii, and Nigel E. Hussey
18:45 TT 34.18 Dynamics of correlated charge carriers in the close proximity to the Mott-Hubbard transition — •Michael Dumm, D. Faltermeier, S. Yasin, N. Drichko, M. Dressel, and J. Merino
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