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cond-mat.supr-con2004
In-Plane Spectral Weight Shift of Charge Carriers in
A. V. Boris, N. N. Kovaleva, O. V. Dolgov +4
The temperature dependent redistribution of the spectral weight of the plane derived conduction band of the high temperature superconductor (T_c = 92.7 K…
cond-mat.str-el2004
Spin-controlled Mott-Hubbard bands in LaMnO_3 probed by optical ellipsometry
N. N. Kovaleva, A. V. Boris, C. Bernhard +5
Spectral ellipsometry has been used to determine the dielectric function of an untwinned crystal of LaMnO_3 in the spectral range 0.5-5.6 eV at temperatures 50 K < T < 300 K. A pro…
cond-mat.str-el2004
Charge ordering and magneto-polarons in NaCoO
C. Bernhard, A. V. Boris, N. N. Kovaleva +6
Using spectral ellipsometry, we have measured the dielectric function of a NaCoO crystal that exhibits bulk antiferromagnetism with T=19.8 K. We identify two…