Localized Magnetic Moment of Co Impurity in <U>CrV</U>Co Alloys
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概要
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Magnetic susceptibility measurements on <U>Cr<SUB>1−<I>x</I></SUB>V<I><SUB>x</SUB></I></U>Co alloys containing 1 at % Co have been made in the range of <I>x</I> from zero to 1 over the temperature range 4.2 to 660 K. The susceptibility due to Co impurities above the Néel temperature follows Curie-Weiss law. The magnitude of the effective moment, about 3 μ<SUB>B</SUB> in <U>Cr</U>Co alloy, decreases monotonically with the increase of <I>x</I>, and the localized moment disappears in <I>x</I>=0.3 alloy. From the results of magnetic susceptibility and NMR measurements, it is concluded that the coexistence of magnetic and nonmagnetic Co atoms, at least for <I>x</I>=0.2 and 0.25 alloys, exists and that the formation of localized moment seems to depend on the configuration not only of nearest neighbors but also of long range.
- 社団法人 日本物理学会の論文
社団法人 日本物理学会 | 論文
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