NDLI: The influence of interface exchange coupling on the demagnetization process for perpendicularly oriented FePt/α-Fe/FePt trilayers

Content Provider	Springer Nature Link
Author	Bo, Niao Zhao, GuoPing Ye, LinNing Xu, JinSong Deng, Ya
Copyright Year	2010
Abstract	The influence of the interface exchange coupling on the magnetization reversal process for a FePt/α-Fe/FePt tri-layer structure has been studied through a micromagnetic approach. The analytical formula of the nucleation field has been derived. It is found that the nucleation field increases as the interface coupling constant rises. Especially when the thickness of the soft layer is small, the influence of the exchange coupling on the nucleation field is significant. The angular distributions of the magnetization for various exchange coupling constants have been obtained by numerical calculation. It is found that the angular distribution of the magnetization is discontinuous at the interface of the hard and soft layers. In the meantime, the pinning field decreases with the increase of the thickness of the soft layer and the exchange coupling constant.
Starting Page	1836
Ending Page	1841
Page Count	6
File Format	PDF
ISSN	16747348
Journal	Science in China Series G
Volume Number	53
Issue Number	10
e-ISSN	18691927
Language	English
Publisher	SP Science China Press
Publisher Date	2010-09-15
Publisher Place	Heidelberg
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	interface exchange coupling nucleation field coercivity micromagnetic calculation Astronomy, Observations and Techniques Classical Continuum Physics Physics
Content Type	Text
Resource Type	Article
Subject	Physics and Astronomy

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