THEORETICAL INVESTIGATION OF THE ORIENTATION DEPENDENCE OF THE MAGNETOOPTICAL KERR-EFFECT IN CO

被引：53

作者：

GUO, GY ^{[1
]}

EBERT, H ^{[1
]}

机构：

[1] UNIV MUNICH,INST PHYS CHEM,D-80033 MUNICH,GERMANY

来源：

PHYSICAL REVIEW B | 1994年 / 50卷 / 14期

关键词：

D O I：

10.1103/PhysRevB.50.10377

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

The first-principles spin-polarized, relativistic linear muffin-tin orbital method has been applied to calculate electronic and magneto-optical properties of Co in both fcc and hcp structures. In particular, the mapeto-optical properties have been calculated for several magnetization directions in order to study their magnetization orientation dependences. A pronounced anisotropy in the polar Kerr effect is found for hcp Co while the magneto-optical properties of fcc Co are predicted to be insensitive to the magnetization direction. Moreover, this magneto-optical anisotropy in hcp Co is found to be correlated with the presence of a large anisotropy in the orbital magnetic moment and orbital hyperfine field. Changing the structure from fcc to hcp gives rise to even greater changes in the mapeto-optical properties of Co. Calculated Kerr angles and ellipticities are in reasonable agreement with the latest experiment.

引用

页码：10377 / 10380

页数：4

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