日本金属学会誌

J. Japan Inst. Metals, Vol. 40, No. 2 (1976),
pp. 133-135

Magnetic Properties of Clb-Type Intermetallic Compounds Pt1-xAuxMnSb

Hakaru Masumoto1 and Kiyoshi Watanabe1

1The Research Institute of Electric and Magnetic Alloys, Higashi 8-bancho, Sendai, 980

Abstract:

Crystal structures and magnetic properties of Pt1-xAuxMnSb compounds have been investigated with a X-ray diffractometer and a magnetic balance, respectively.
It has been found that the lattice parameter of the pseudo-ternary compounds increases with increasing Au concentration. Magnetic moment per Mn atom of these compounds has a maximum value of 4.30 μ B at x=0.6. It is assumed from the results of Curie temperature measurements that the magnetic interaction in Pt1-xAuxMnSb is closely related to the concentration of valence electrons rather than the lattice parameter.


(Received 1975/07/10)

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