Local Environment Effect on the Atomic Magnetic Moment in Ferromagnetic Transition-Metal Alloys. I.
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概要
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The magnetic moment of atoms is calculatecl as a function of the atomiccomposition on the nearest-neighbor shell, of the alloy concentration, and ofa short-range-order parameter for Fe-Ni alloys in bcc and fcc phase and Fe -Coalloy in bcc phase, by use of an effective medium theory developed by Miwaand the author. The intra-atounic electron-electron interactions arc assumed to betreated within the Hartree-Fock approximation, and the effective medium isdetermined self-consistently. The behavior of the moment caused by the changeof local environment is explained in terms of the total and local density of stateson the basis of numerical calculation. In a saturated ferromagnet the width ofthe distribution of the montent must be small for eacla constituent. In anunsaturated ferromagnet this width is allowed to become large.
- 社団法人日本物理学会の論文
- 1979-06-15
著者
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Hamada Noriaki
Department Of Physics Faculty Of Science And Technology Science University Of Tokyo
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Hamada Noriaki
Department Of Condensed Matter Physics The Institute Of Scientific And Industrial Research Osaka Uni
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Hamada Noriaki
Department Of Physics Faculty Of Science Osaka University
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