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…