Flux closure in magnetic force microscope tips

Author

Tomlinson, S.L. ; Hoon, S.R. ; Farley, A.N. ; Valera, M.S.

Author_Institution

Dept. of Math. & Phys., Manchester Metropolitan Univ., UK

Volume

31

Issue

6

fYear

1995

fDate

11/1/1995 12:00:00 AM

Firstpage

3352

Lastpage

3354

Abstract

This work considers the effect of MFM tip magnetisation distribution on force gradient images of Co/Pt perpendicular anisotropy multilayer materials. In particular it is shown that a pyramidal tip with a Co coating which is thought to contain closure domain structures produces substantially different images from single domain CoPt coated tips. Modelling results are also presented which support the closure domain hypothesis. If is concluded that the small effective volume of the closure tip produces valuable results in terms of resolution and image clarity

Keywords

cobalt; magnetic domains; magnetic force microscopy; magnetic multilayers; microscopy; perpendicular magnetic anisotropy; platinum; Co coating; Co-Pt; Co/Pt multilayer materials; domain structure; flux closure; force gradient imaging; magnetic force microscope; magnetisation distribution; perpendicular anisotropy; pyramidal tip; Anisotropic magnetoresistance; Coatings; Magnetic domains; Magnetic flux; Magnetic force microscopy; Magnetic forces; Magnetic materials; Magnetic multilayers; Magnetization; Perpendicular magnetic recording;

fLanguage

English

Journal_Title

Magnetics, IEEE Transactions on

Publisher

ieee

ISSN

0018-9464

Type

jour

DOI

10.1109/20.490379

Filename

490379