NDLI: Temperature Stability of Exchange Bias Field and Magnetoresistance of Fe20Ni80 Layer in Fe20Ni80/Tb

Content Provider	IEEE Xplore Digital Library
Author	Kulesh, N.A. Balymov, K.G. Adanakova, O.A. Vas'kovskiy, V.O.
Copyright Year	1965
Abstract	The evolution of hysteresis and magnetoresistive properties of exchange-coupled Fe₂₀Ni₈₀/Tb-Co bilayers with modified interface was investigated in the temperature range from 79 to 450 K. Exchange bias field was shown to decrease monotonously with increasing temperature, demonstrating a very similar behavior for unmodified films and samples with ultrathin Ti spacer or selectively annealed permalloy layer. The observed dependence, therefore, is mostly attributed to the changes of the Tb-Co layer's magnetization and magnetic anisotropy. Anisotropic magnetoresistance (AMR) value measured on all samples shown typical for the permalloy alloy reduction at higher temperatures regardless of the sample's type. A simultaneous decrease of the exchange bias field and the value of the AMR effect was shown to open the possibility for the compensation of the temperature dependence of the medium's response to the application of the external magnetic field.
Sponsorship	IEEE Magnetics Society
Starting Page	1
Ending Page	4
Page Count	4
File Size	710133
File Format	PDF
ISSN	00189464
Volume Number	51
Issue Number	11
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2015-01-01
Publisher Place	U.S.A.
Access Restriction	One Nation One Subscription (ONOS)
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Temperature measurement Magnetic hysteresis Magnetic anisotropy Temperature sensors Magnetoresistance Magnetic fields Magnetic field measurement multilayer films anisotropic magnetoresistance exchange bias interface Anisotropic magnetoresistance (AMR)
Content Type	Text
Resource Type	Article
Subject	Electronic, Optical and Magnetic Materials Electrical and Electronic Engineering

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