HIGH-SPEED SWITCHING IN MAGNETIC RECORDING MEDIA

Authors
CHANTRELL RW HANNAY JD WONGSAM M LYBERATOS A
Citation
Rw. Chantrell et al., HIGH-SPEED SWITCHING IN MAGNETIC RECORDING MEDIA, IEEE transactions on magnetics, 34(2), 1998, pp. 349-354
Citations number
16
Categorie Soggetti
Engineering, Eletrical & Electronic","Physics, Applied
Journal title
IEEE transactions on magnetics → ACNP
ISSN journal
00189464
Volume
34
Issue
2
Year of publication
1998
Part
1
Pages
349 - 354
Database
ISI
SICI code
0018-9464(1998)34:2<349:HSIMRM>2.0.ZU;2-G
Abstract
The theoretical formalism behind the introduction of thermal activatio n into the micromagnetic approach is reviewed. The theory is introduce d via an application to a single spin which shows a rapid increase of coercivity at short timescales of the order of nanoseconds. Interactio n effects are shown to increase relaxation times. A model of thermally activated spin-waves is presented.