日本応用磁気学会誌
Online ISSN : 1880-4004
Print ISSN : 0285-0192
ISSN-L : 0285-0192
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22 巻, 11 号
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論文
  • L10型規則合金の磁気光学Kerr効果の第一原理計算
    山口 正剛, 日下部 鉄也, 弓野 健太郎, 浅野 攝郎
    1998 年 22 巻 11 号 p. 1401-1406
    発行日: 1998年
    公開日: 2007/06/29
    DOIhttps://doi.org/10.3379/jmsjmag.22.1401
    ジャーナル オープンアクセス
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    The magneto-optical polar Kerr effect of L10-type ordered alloys TM-X (TM = Mn, Fe, Co, X = Pt, Au) was calculated from the electronic structures given by the first-principles LMTO-ASA method. The calculated results agreed reasonably well with the experimental results. The important optical transitions were clarified by detailed analysis of the electronic structures. For example, it was found that the peak structure at about 4 eV in the Kerr spectra of L10-FeAu mainly originated from the d↓→f↓ transition on Au. In this transition, the final state Au (f↓) is a small tail state hybridized with the unoccupied Fe (3d↓) state. Thus, the transition can simply be expressed as the Au (5d↓)→Fe (3d↓) transition.
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