NDLI: First principles calculations of the electronic structure of Fe/sub 1-x/Co/sub x/Pt

Content Provider	IEEE Xplore Digital Library
Author	MacLaren, J.M. Willoughby, S.D. McHenry, M.E. Ramalingam, B. Sankar, S.G.
Copyright Year	1965
Abstract	The L1/sub 0/ alloys CoPt and FePt have strong uniaxial magneto-crystalline anisotropy as a consequence of the layering of Co or Fe and Pt planes. This makes these compounds of interest in permanent magnet applications. In this work we present the results of a study of the magnetic properties of the L1/sub 0/ alloys Fe/sub 1-x/Co/sub x/Pt for the range of compositions from FePt to CoPt. Local spin density calculations using the coherent potential approximation are used to follow trends in the magneto-crystalline anisotropy and magnetic moments across the composition range. Total energy calculations of ordered and disordered alloys are used to develop a pseudo-binary phase diagram of the Fe/Co layer predicting regions of phase separation in this layer at temperatures below 650/spl deg/C.
Sponsorship	IEEE Magnetics Society
Starting Page	1277
Ending Page	1279
Page Count	3
File Size	59388
File Format	PDF
ISSN	00189464
Volume Number	37
Issue Number	4
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2001-07-01
Publisher Place	U.S.A.
Access Restriction	One Nation One Subscription (ONOS)
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Cobalt alloys Iron alloys Platinum alloys Magnetic anisotropy Perpendicular magnetic anisotropy Magnetic separation Anisotropic magnetoresistance Permanent magnets Magnetic properties Magnetic moments
Content Type	Text
Resource Type	Article
Subject	Electronic, Optical and Magnetic Materials Electrical and Electronic Engineering

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