Hyperfine Field in Weakly Antiferromagnetic βMn Alloys

概要

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The internal field at Mn" in /7Mn alloys with impurities of several kinds wassystematically investigated in antiferromagnetically ordered state. In non-transition element alloys the internal field is almost determined by the increase ofthe lattice constant irrespective of the species of the impurity. In a low concentra-tion region of the transition element alloys, the iruternal field is expressed as thesum of two parts due to the increase of the Iatti<::e constant and the increase ofthe excess number of d-electrons introduced by the impurity. In a region of thehigh impurity concentration of transition element alloys, both contributions areno more simply additive. Equi-internal field lines are constructed in the plane ofd-electron number and lattice constant, and the boundary of the magnetic andnon-magnetic state is determined in /7Mn binary and ternary alloy systems.
社団法人日本物理学会の論文
1978-02-15