MAGNETO-OPTICAL PROPERTIES OF Pt1-xMnx/Co MULTILAYERS | Zendy

Liang Bing-Qing | Zendy; Chen Xi | Zendy; Xun Zhou | Zendy; Hong Liu | Zendy; Hai Wang | Zendy; Tang Yun-Jun | Zendy; Yinjun Wang | Zendy; WANG SONG-YOU | Zendy; Chen Liang-Yao | Zendy

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MAGNETO-OPTICAL PROPERTIES OF Pt1-xMnx/Co MULTILAYERS

Author(s) -

Liang Bing-Qing,

Chen Xi,

Xun Zhou,

Hong Liu,

Hai Wang,

Tang Yun-Jun,

Yinjun Wang,

WANG SONG-YOU,

Chen Liang-Yao

Publication year - 2000

Publication title -

acta physica sinica

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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