Monte Carlo simulation for magnetic materials including dislocations

Author

Yamaguchi, Katsuhiko ; Yamada, Koji ; Takagi, Toshiyuki

Author_Institution

Fac. of Educ., Fukushima Univ., Japan

Volume

38

Issue

2

fYear

2002

fDate

3/1/2002 12:00:00 AM

Firstpage

865

Lastpage

868

Abstract

Magnetization processes in iron-based materials with edge dislocations were simulated using Monte Carlo method for the purpose of analyzes of the magnetic nondestructive evaluation. RKKY-type exchange interaction was assumed in this simulation using the Heisenberg Hamiltonian of the metal magnetism. The temperature and magnetic field dependence of magnetization were calculated for spin cell system of 31 ³=29791 with some edge dislocations. We found anisotropic influences of edge dislocations on magnetic domain formations

Keywords

Heisenberg model; Monte Carlo methods; RKKY interaction; edge dislocations; magnetic anisotropy; magnetic domains; magnetic materials; magnetisation; nondestructive testing; Heisenberg Hamiltonian; Monte Carlo simulation; RKKY exchange interaction; anisotropy; edge dislocation; iron-based material; magnetic domain; magnetic field dependence; magnetic material; magnetization; metal magnetism; nondestructive evaluation; spin cell system; temperature dependence; Analytical models; Elementary particle exchange interactions; Magnetic analysis; Magnetic anisotropy; Magnetic domains; Magnetic fields; Magnetic materials; Magnetization processes; Perpendicular magnetic anisotropy; Temperature dependence;

fLanguage

English

Journal_Title

Magnetics, IEEE Transactions on

Publisher

ieee

ISSN

0018-9464

Type

jour

DOI

10.1109/20.996223

Filename

996223