Magnetic viscosity effects on the pinned layer loop of spin-valve materials

Authors
Goodman, AM Laidler, H O'Grady, K Owen, NW Petford-Long, AK
Citation
Am. Goodman et al., Magnetic viscosity effects on the pinned layer loop of spin-valve materials, J APPL PHYS, 87(9), 2000, pp. 6409-6411
Citations number
12
Categorie Soggetti
Apllied Physucs/Condensed Matter/Materiales Science
Journal title
JOURNAL OF APPLIED PHYSICS
ISSN journal
00218979 → ACNP
Volume
87
Issue
9
Year of publication
2000
Part
3
Pages
6409 - 6411
Database
ISI
SICI code
0021-8979(20000501)87:9<6409:MVEOTP>2.0.ZU;2-R
Abstract
In this work, we report on measurements of magnetization with time [M(t)] a round the pinned layer loop in spin-valve materials. These time-dependent e ffects are manifest via changes in M(t) in constant field (H) and via varia tions in the apparent coercivity with the sweep-rate of the applied field. The changes in the apparent coercivity on the pinned layer loop differ for the magnetizing and demagnetizing branches as does the form of M(t) data. ( C) 2000 American Institute of Physics. [S0021-8979(00)85408-0].