66 citations · 130 across the 4 of their papers we have counts for
10 papers
Low-energy Mott-Hubbard excitations in LaMnO
N. N. Kovaleva, Andrzej M. Oles, A. M. Balbashov +4
More discussion from the theory is suggested
Dipole-active optical phonons in YTiO_3: ellipsometry study and lattice-dynamics calculations
N. N. Kovaleva, A. V. Boris, L. Capogna +6
The anisotropic complex dielectric response was accurately extracted from spectroscopic ellipsometry measurements at phonon frequencies for the three principal crystallographic dir…
Signatures of Electronic Correlations in Optical Properties of LaFeAsOF
A. V. Boris, N. N. Kovaleva, S. S. A. Seo +5
Spectroscopic ellipsometry is used to determine the dielectric function of the superconducting LaFeAsOF ( = 27 K) and undoped LaFeAsO polycrystalline samples i…
Optical response of ferromagnetic YTiO_3 studied by spectral ellipsometry
N. N. Kovaleva, A. V. Boris, P. Yordanov +8
We have studied the temperature dependence of spectroscopic ellipsometry spectra of an electrically insulating, nearly stoichiometric YTiO_3 single crystal with ferromagnetic Curie…
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…
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…