Nonlinear optical spectroscopy of electronic transitions in hexagonal manganites

Authors
Degenhardt, C Fiebig, M Frohlich, D Lottermoser, T Pisarev, RV
Citation
C. Degenhardt et al., Nonlinear optical spectroscopy of electronic transitions in hexagonal manganites, APP PHYS B, 73(2), 2001, pp. 139-144
Citations number
29
Categorie Soggetti
Apllied Physucs/Condensed Matter/Materiales Science
Journal title
APPLIED PHYSICS B-LASERS AND OPTICS
ISSN journal
09462171 → ACNP
Volume
73
Issue
2
Year of publication
2001
Pages
139 - 144
Database
ISI
SICI code
0946-2171(200108)73:2<139:NOSOET>2.0.ZU;2-O
Abstract
The hexagonal rare-earth manganites RMnO3 (R = Sc, Y, Ho, Er, Tm, Yb, Lu) a re a group of materials with an unusual combination of magnetic, electric a nd optical properties. The electronic structure of these materials was stud ied by second harmonic (SH) spectroscopy in the range from 1.2 to 3.0 eV. F araday rotation and absorption spectra were measured in the range from 1.0 to 1.6 eV. Broad bands at similar to 1.7 eV and similar to 2.7 eV are assig ned to electronic transitions between Mn (3+) (3d(4)) levels. The SH spectr a are discussed on the basis of a recently developed microscopic theory.