Interaction effects in film media with varying out-of-plane orientation

Author

Alex, Michael ; Yogi, Tadashi ; Sanders, Ian L. ; O´Grady, K.

Author_Institution

Mater. Res. Corp., Orangeburg, NY, USA

Volume

28

Issue

5

fYear

1992

fDate

9/1/1992 12:00:00 AM

Firstpage

3264

Lastpage

3266

Abstract

Interactions and switching characteristics of thin-film recording media with varying degrees of out-of-plane anisotropy have been measured and correlated to media noise. Unlike conventional magnetic measurements that can relate to media noise for media having strong in-plane orientation, the technique utilized is shown to provide an improved method for quantifying interactions that correlate to media noise, even in the case of films with significant perpendicular anisotropy. CoPt₁₂Cr₁₃ films sputtered onto Cu or Cr underlayers are discussed

Keywords

chromium; chromium alloys; cobalt alloys; copper; ferromagnetic properties of substances; magnetic anisotropy; magnetic recording; magnetic thin films; metallic thin films; noise; platinum alloys; sputter deposition; CoPt₁₂C₁₃-Cu; CoPt₁₂Cr₁₃-Cr; CoPtCr alloy; Cr; Cu; film media; interaction effects; longitudinal thin film media; out-of-plane anisotropy; out-of-plane orientation; perpendicular anisotropy; switching characteristics; thin-film recording media; Anisotropic magnetoresistance; Magnetic field measurement; Magnetic films; Magnetic materials; Magnetic noise; Material storage; Noise measurement; Noise reduction; Remanence; Saturation magnetization;

fLanguage

English

Journal_Title

Magnetics, IEEE Transactions on

Publisher

ieee

ISSN

0018-9464

Type

jour

DOI

10.1109/20.179778

Filename

179778