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MAGNETO-OPTICAL PROPERTIES OF Pt1-xMnx/Co MULTILAYERS
Author(s) -
BQ Liang,
X Chen,
Xingfei Zhou,
H Liu,
H Wang,
YJ Tang,
Wang Yj,
ShiangYu Wang,
Lin Y. Chen
Publication year - 2000
Publication title -
wuli xuebao
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.199
H-Index - 47
ISSN - 1000-3290
DOI - 10.7498/aps.49.2059
Subject(s) - condensed matter physics , magneto optic kerr effect , kerr effect , polarization (electrochemistry) , dielectric , rotation (mathematics) , materials science , physics , spin–orbit interaction , polar , doping , optical rotation , optics , optoelectronics , quantum mechanics , chemistry , geometry , mathematics , nonlinear system
The polar Kerr rotation, Kerr ellipticity and optical constant n and k change regularly with the increase of Mn doping in Pt layer of Pt/Co multilayers. Through calculation and analyses, in heavy Mn doping the change of the Kerr rotation is due to the off-diagonal elements of dielectric tensor. However, in light Mn dop ing the change of Kerr rotation results from the change in the magneto-optical a nd optical constants. The enhanced magneto-optical Kerr rotation is due to the e nhancement of Pt spin-orbit coupling. The variation of Pt spin-polarization resu lts in the change of diagonal and off-diagonal elements of dielectric tensor.

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