NDLI: Angular Dependence of Magnetoresistance During Magnetization Reversal on Magnetic Tunnel Junction Ring

Content Provider	IEEE Xplore Digital Library
Author	Chen, C.C. Chang, C.C. Chang, Y.C. Chao, C.T. Kuo, C.Y. Horng, L. Wu, J.C. Teho Wu Chern, G. Huang, C.Y. Tsunoda, M. Takahashi, M.
Copyright Year	1965
Abstract	Microstructured magnetic tunnel junction ring with outer/inner diameter of 2/1 mum has been fabricated to investigate the angular dependence of magnetoresistance during magnetization reversal process. The minor loop of magnetoresistive curve reveals four distinct resistance levels associated with four magnetization configurations within the free layer throughout the magnetization reversal. The magnetoresistance decreases with increasing angle between applied external field and biasing direction, which is resulted from the relative alignment of total magnetization of pinned and free layer. An extra feature appeared in the minor loop when the external field is transverse to the biasing direction; this can be attributed to a vortex-pair formation/annihilation in the free layer. Furthermore, a series of schemes of magnetic configurations of pinned and free layers are illustrated to explain the routes of minor loops
Sponsorship	IEEE Magnetics Society
Starting Page	920
Ending Page	922
Page Count	3
File Size	432854
File Format	PDF
ISSN	00189464
Volume Number	43
Issue Number	2
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2007-02-01
Publisher Place	U.S.A.
Access Restriction	One Nation One Subscription (ONOS)
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Tunneling magnetoresistance Magnetization reversal Magnetic tunneling Giant magnetoresistance Magnetic devices Fabrication Lithography Magnetic field measurement Chaos Magnetoresistive devices magnetoresistive devices magnetoresistance
Content Type	Text
Resource Type	Article
Subject	Electronic, Optical and Magnetic Materials Electrical and Electronic Engineering

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