Electrical Resistivity of Laves Phase Compounds Containing Transition Elements : I. Fe_2A (A=Sc,Y,Ti,Zr,Hf,Nb,and Ta)
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概要
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The electrical resistivity of a series of Fe_2A Laves phase compounds was measured in order to investigate its mutual correlation with their magnetic properties. In the ferromagnetic or antiferromagnetic Fe_2A compounds (A=Sc, Y, Ti, Zr, Hf, and U), a linear relation between the magnetic resistivity at temperatures above the Curie or Neel point and the localized magnetic moment was found, which means that the magnetic resistivity of these compounds is governed by the magnitude of magnetic moments. The electrical resistivity in the Pauli-paramagnetic Fe_<2+x>Nb_<1-x> and Fe_<2+x>Ta_<1-x> compounds with x&ihkap;0 shows a fairly large temperature variation, which seems to be due to the paramagnon scattering, whereas ρ-T curves in the iron-rich compounds suggest that the appearance of ferromagnetism is caused by the existence of the excess iron atoms occupying the wrong atomic sites.
- 社団法人日本物理学会の論文
- 1975-10-15
著者
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Nakamichi Takuro
The Research Institue For Iron Steel And Other Metals Tohoku University
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Ikeda Koki
The Research Institute For Iron Steel And Other Metals Tohoku University
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