The role of the spin-orbit coupling strength in the MO effects of magnetic insulators

Author

Xu, You ; Yang, Jiehui ; Zhang, Xijuan ; Zhang, Fang ; Guillot, M.

Author_Institution

Nanjing Univ., China

Volume

37

Issue

4

fYear

2001

fDate

7/1/2001 12:00:00 AM

Firstpage

2411

Lastpage

2413

Abstract

It is currently admitted that the spin-orbit (SO) couplings play a determinant role in the origin of the magneto-optical (MO) properties of magnetic materials. It is unambiguously confirmed that the role of SO coupling of the excited configuration is very weak and that the SO coupling of the ground configuration has a great influence on the MO properties. Furthermore, the symmetry of the magnetic ion environment is a crucial factor. However, contrary to the theoretical results for the Kerr rotation of the transition metals Fe, Ni, Co and of MnBi, the Faraday rotation is not a linear function of the SO coupling strength of the ground configuration

Keywords

magneto-optical effects; spin-orbit interactions; Co; Faraday rotation; Fe; Kerr rotation; MnBi; Ni; excited configuration; ground configuration; magnetic insulator; magnetic ion symmetry; magneto-optical properties; spin-orbit coupling; transition metal; Barium; Couplings; Ferrites; Garnets; Insulation; Magnetic materials; Magnetic properties; Magnetooptic effects; Magnetosphere; Paramagnetic materials;

fLanguage

English

Journal_Title

Magnetics, IEEE Transactions on

Publisher

ieee

ISSN

0018-9464

Type

jour

DOI

10.1109/20.951188

Filename

951188