Micromagnetic studies of Co-Pt-Cr longitudinal recording media

Author

Neville, Richard J. ; Ferrier, Robert P.

Author_Institution

Dept. of Phys. & Astron., Glasgow Univ., UK

Volume

31

Issue

6

fYear

1995

fDate

11/1/1995 12:00:00 AM

Firstpage

2773

Lastpage

2775

Abstract

The micromagnetic structures of recorded tracks in two types of isotropic CoPtCr longitudinal recording media have been investigated using the modified differential phase contrast method of Lorentz electron microscopy. Media intended for both inductive and magnetoresistive playback have been studied and thin film specimens suitable for electron microscopy were isolated from standard NiP plated AlMg hard disks. The ultimate aim is to map the magnetization distribution associated with the writing process and to attempt to correlate this with the physical microstructure of the films

Keywords

chromium alloys; cobalt alloys; magnetic recording; magnetic structure; magnetic thin films; magnetisation; platinum alloys; scanning-transmission electron microscopy; AlMg; Co-Pt-Cr longitudinal recording media; CoPtCr; Lorentz electron microscopy; NiP plated AlMg hard disks; NiP-AlMg; inductive playback; magnetization distribution mapping; magnetoresistive playback; micromagnetic structures; modified differential phase contrast method; physical microstructure; recorded tracks; thin film specimens; writing process; Disk recording; Electron microscopy; Hard disks; Magnetic force microscopy; Magnetization; Magnetoresistance; Micromagnetics; Microstructure; Transistors; Writing;

fLanguage

English

Journal_Title

Magnetics, IEEE Transactions on

Publisher

ieee

ISSN

0018-9464

Type

jour

DOI

10.1109/20.490147

Filename

490147