Transition structure in longitudinal thin film magnetic media

Author

Miles, J.J. ; Middleton, B.K.

Author_Institution

Dept. of Electr. Eng., Manchester Univ., UK

Volume

26

Issue

1

fYear

1990

fDate

1/1/1990 12:00:00 AM

Firstpage

204

Lastpage

206

Abstract

A two-dimensional micromagnetic model of longitudinal thin-film media is developed using a self-consistent technique. The model is used to investigate the effects of thickness and alignment of easy axes upon hysteresis properties and transition width. The model predicts hysteresis properties close to those observed in real media and shows that in the track direction the transition can be considered to be a smooth function (either arctangent or error function) with superimposed noise. Further results support a widely used relationship for the variation of transition width with media properties and indicate that variations in media properties in the vicinity of the transition can have significant effects on the transition parameter

Keywords

magnetic hysteresis; magnetic recording; magnetic thin films; magnetic transitions; easy axis alignment; easy axis thickness; hysteresis properties; longitudinal thin film magnetic media; self-consistent technique; superimposed noise; track direction; transition parameter; transition width; two-dimensional micromagnetic model; Anisotropic magnetoresistance; Magnetic anisotropy; Magnetic films; Magnetic heads; Magnetic hysteresis; Magnetic separation; Magnetization; Micromagnetics; Perpendicular magnetic anisotropy; Transistors;

fLanguage

English

Journal_Title

Magnetics, IEEE Transactions on

Publisher

ieee

ISSN

0018-9464

Type

jour

DOI

10.1109/20.50533

Filename

50533