Analysis of perpendicular recording media using a biaxial vibrating sample magnetometer

Author

Ouchi, Kazuhiro ; Iwasaki, Shun-ichi

Author_Institution

Res. Inst. of Electr. Commun., Tohoku Univ., Sendai, Japan

Volume

24

Issue

6

fYear

1988

fDate

11/1/1988 12:00:00 AM

Firstpage

3009

Lastpage

3011

Abstract

A vibrating sample magnetometer with orthogonal, biaxial detecting coils was used to analyze a perpendicular magnetic recording medium. The demagnetizing field was easily compensated, since the magnetization vector could be measured. The magnetization reversal mode observed for the resultant intrinsic angular dependence of H_c without the sheet demagnetizing effect is discussed. A transverse magnetization torque curve was also measured and used to estimate the anisotropy distribution of the medium after the exclusion of the demagnetizing field effects

Keywords

coercive force; magnetic anisotropy; magnetic recording; magnetic variables measurement; magnetisation reversal; magnetometers; anisotropy distribution; biaxial vibrating sample magnetometer; coercive force; demagnetizing field; intrinsic angular dependence; magnetization reversal mode; magnetization vector; perpendicular recording media; transverse magnetization torque curve; Anisotropic magnetoresistance; Coils; Demagnetization; Magnetic analysis; Magnetic field measurement; Magnetic films; Magnetization reversal; Magnetometers; Perpendicular magnetic recording; Saturation magnetization;

fLanguage

English

Journal_Title

Magnetics, IEEE Transactions on

Publisher

ieee

ISSN

0018-9464

Type

jour

DOI

10.1109/20.92317

Filename

92317