Fe-(50∼80 at%)Pd合金の規則化に伴う電気抵抗の増加

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タイトル別名
  • Increase of Electrical Resistivity with Ordering of Fe-(50-80 at%)Pd Alloys
  • Fe-(50～80at%)Pd合金の規則化に伴う電気抵抗の増加
  • Fe 50 80atパーセント Pd

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Electrical resistivity measurements, X-ray diffractometry and transmission electron microscopy of Fe-Pd alloys have been carried out. The electrical resistivity of 50-80 at%Pd alloys increases rapidly with ordering below the order-disorder transition temperature (Tc), while it is nearly constant in the disordered phase above Tc. Below Tc these alloys have the FePd superlattice (L10 type) in the range of 50-58 at%Pd and the FePd3 superlattice (L12 type) in the range of 63-77.5 at%Pd. All of the alloys below Tc are formed with long-range order. Fe-Pd ordered alloys are the first to show an increase in electrical resistivity associated with the formation of long-range order. It is suggested that the formation of superlattice of Fe-Pd system can be explained by the Brillouin Zone effect.

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  • 日本金属学会誌

    日本金属学会誌 51 (4), 285-291, 1987

    公益社団法人 日本金属学会

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