Nonlinear optical spectroscopy of (La0.6Pr0.4)(0.7)Ca0.3MnO3 manganite
authors Ivanov, MS; Mishina, ED; Moshnyaga, V; Fiebig, M
keywords THIN-FILMS
abstract The electronic structure of doped orthorhombic (La0.6Pr0.4)(0.7)Ca0.3MnO3 manganite is studied using the second optical harmonic generation method. The analysis of the frequency and polarization dependence of the intensity related to the second harmonic demonstrates that the applied magnetic field stimulates a transition of spin-polarized electrons from the d orbitals of Mn ions to the p orbitals of O-2 ligands. The manifestation of such transition in the orthorhombic RMnO3 manganite with the distorted crystal lattice is attributed to the dipole-forbidden electronic transitions arising in the applied magnetic field. The mechanism of magnetooptical activity induced by the charge transfer between Mn and O ions is discussed.
issn 0021-3640
year published 2012
volume 96
issue 5
beginning page 326
ending page 331
digital object identifier (doi) 10.1134/S0021364012170079
web of science category Physics, Multidisciplinary
subject category Physics
unique article identifier WOS:000310836600011
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