Antiferromagnetism and Weak Ferromagnetism of Disordered <I>bcc</I> V–Cr–Mn Ternary Alloys
1981; Japan Institute of Metals and Materials; Volume: 22; Issue: 3 Linguagem: Inglês
10.2320/matertrans1960.22.182
ISSN2432-4701
Autores Tópico(s)Metal and Thin Film Mechanics
ResumoThe magnetic properties of the whole ternary alloy system of V–Cr–Mn with disordered bcc structure were investigated by means of X-ray diffraction, thermalexpansion, electrical resistivity and magnetic measurements. The concentration dependence of Néel point on antiferromagnetism and of Curie point and the saturation moment on weak ferromagnetism discovered in Cr–Mn alloys were examined. The magnetic phase diagram was established together with the boundary of the occurrence of localized moment in the Mn atom. From the standpoint of itinerant antiferromagnetism, taking account of the volume effect and the localized electrons, we found a linear relation between the effective itinerant electron concentration and the corrected Néel point. Some discussions about the appearance of the magnetic phases are given in connection with the relation between the local electronic states of the Mn atom and the band structure.
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