TT 20: Metall-Isolator-Überg
änge
Wednesday, March 10, 2004, 14:30–16:30, H18
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14:30 |
TT 20.1 |
Projektor-basiertes Renormierungsverfahren für das spinlose Holstein-Modell — •Steffen Sykora, Arnd Hübsch und Klaus W. Becker
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14:45 |
TT 20.2 |
Weak ferromagnetism of the charge stripes in La5/3Sr1/3NiO4 — •Rüdiger Klingeler, Bernd Büchner, Sang-Wook Cheong, and Markus Hücker
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15:00 |
TT 20.3 |
Magnetothermal Conductivity of Highly Oriented Pyrolytic Graphite — •Konstantin Ulrich, Pablo Esquinazi, Roberto Ocaña, and Heiko Kempa
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15:15 |
TT 20.4 |
X-ray magnetic and natural circular dichroism at the vicinity of the Co low-spin to high-spin transition in REBaCo2O5.5 (RE= Dy; Gd) system — •S. Gold, E. Goering, P. Lemmens, A. Podlesnyak, G. Bychkov, J. Deisenhofer, A. Loidl und G. Schütz
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15:30 |
TT 20.5 |
Pressure-induced metal-insulator transition in rare earth nickelates RNiO3 — •R. Lengsdorf, J.A. Alonso, M.J. Martinez-Lope, M. Amboage Castro, and M.M. Abd-Elmeguid
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15:45 |
TT 20.6 |
Low temperature instability and magnetic entropy in La7/8Sr1/8MnO3 — •Jochen Geck, Peter Wochner, Sven Kiele, Rüdiger Klingeler, Pascal Reutler, and Bernd Büchner
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16:00 |
TT 20.7 |
Einfluß globaler und lokaler Verzerrungen auf Magnetismus und Leitfähigkeit in La1−xMxCoO3 (M = Ca, Sr, Ba) — •M. Kriener, J. Baier, H. Kierspel, T. Lorenz, A. Reichl, C. Zobel und A. Freimuth
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16:15 |
TT 20.8 |
Crossover from Coulomb to Fermi Glass in Si:P studied by high frequency conductivity measurements — •Marco Hering, Marc Scheffler, M. Dressel und Hilbert v. Löhneysen
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