NDLI: Evidence of Coexistence of Ferromagnetic and Antiferromagnetic Phases in Nearly Equiatomic FeRh

Content Provider	IEEE Xplore Digital Library
Author	Kumar, H. Fantini, M.C.A. Cornejo, D.R.
Copyright Year	1965
Abstract	Fe_100-xRh_x films were deposited on Si substrates with various Rh concentrations (conc.) (x) ~ 32 to 52% at. All the films showed the in-plane magnetic anisotropy due to the thin-film like structure i.e., shape anisotropy. For Rh conc. up to ~ 42% at., the films exhibit a single ferromagnetic (α') phase. However, for Rh conc. (x) > 42% at., there exists a mixture of ferromagnetic (α') and antiferromagnetic (α") phase. Nearly equiatomic samples ( x ~ 48 to 52% at.) showed abrupt enhancement in coercivity and a broad thermal hysteresis. This behavior is consistent with the presence of a mixture of FM and AFM phase. Thermal first-order-reversal-curves analysis showed that the AFM to FM phase transition is restricted to a region with FWHM of ~ T = 40 K, in spite of the mentioned broad thermal hysteresis.
Sponsorship	IEEE Magnetics Society
Starting Page	4506
Ending Page	4509
Page Count	4
File Size	722408
File Format	PDF
ISSN	00189464
Volume Number	49
Issue Number	8
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2013-08-01
Publisher Place	U.S.A.
Access Restriction	One Nation One Subscription (ONOS)
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Magnetic hysteresis Iron Perpendicular magnetic anisotropy Magnetization Substrates Frequency modulation thermal hysteresis FeRh films first-order-reversal-curves (FORC) analysis thermal first-order-reversal-curves
Content Type	Text
Resource Type	Article
Subject	Electronic, Optical and Magnetic Materials Electrical and Electronic Engineering

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