Magnetic Properties of Cl<SUB>b</SUB>-Type Intermetallic Compounds Pt<SUB>1−<I>x</I></SUB>Au<I><SUB>x</SUB></I>MnSb

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  • Cl<SUB>b</SUB>型Pt<SUB>1−<I>x</I></SUB>Au<I><SUB>x</SUB></I>MnSb化合物の磁性
  • C1b型Pt1-xAuxMnSb化合物の磁性
  • C1bガタ Pt1 xAuxMnSb カゴウブツ ノ ジセイ
  • Magnetic Properties of Cl<SUB>b</SUB>-Type Intermetallic Compounds Pt<SUB>1&minus;<I>x</I></SUB>Au<I><SUB>x</SUB></I>MnSb

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Abstract

Crystal structures and magnetic properties of Pt1−xAuxMnSb compounds have been investigated with a X-ray diffractometer and a magnetic balance, respectively.<BR>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 4.30μB 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.

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