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Nonlinear Magneto-Optical Kerr Effect in Gd-Containing Langmuir-Blodgett Films

Published online by Cambridge University Press:  10 February 2011

N.V. Didenko ,
A.A. Fedyanisn ,
G.B. Khomutov ,
T.V. Murzina  and
O.A. Aktsipetrov
N.V. Didenko
Affiliation:
Physics Department, Moscow State University, Vorobyovi Gori, 119899 Moscow, Russia, [email protected]
A.A. Fedyanisn
Affiliation:
Physics Department, Moscow State University, Vorobyovi Gori, 119899 Moscow, Russia, [email protected]
G.B. Khomutov
Affiliation:
Physics Department, Moscow State University, Vorobyovi Gori, 119899 Moscow, Russia, [email protected]
T.V. Murzina
Affiliation:
Physics Department, Moscow State University, Vorobyovi Gori, 119899 Moscow, Russia, [email protected]
O.A. Aktsipetrov
Affiliation:
Physics Department, Moscow State University, Vorobyovi Gori, 119899 Moscow, Russia, [email protected]
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Abstract

Magnetization induced second harmonic generation (MSHG) is observed in Gd-containing Langmuir-Blodgett (LB) films. The nonlinear optical studies reveal significant alterations in the second harmonic generation (SHG) intensity and in the polarization and phase of the second harmonic (SH) wave induced by application of DC magnetic field. The violation of polarization selection rules and the diffusenes of the MSHG intensity indicates the inhomogeneity of LB structure and the hyper-Rayleigh scattering mechanism of MSHG. The latter proofs the existence of 2D-islands of Gd ions in the structural unit of the LB films which is composed by monolayer of rare-earth ions compressed between two layers of stearic acid molecules.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 517: Symposium F – Wide Bandgap Semiconductors for High Power, High Frequency , January 1998 , 657
Copyright
Copyright © Materials Research Society 1998

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