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Is there ferromagnetic to spin-glass transition in PdAuFe alloys?

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Abstract

Electrical resistivity studies on several (Pd1−x Au x )99.93Fe0.07 alloys between 25 mK and 1 K are reported. The experiments reveal interesting features of the impurity spin polarization with the addition of Au atoms to pure PdFe0.07 alloy. Forx<0.28 the ternary alloys exhibit a familiarT 2 dependence for Δρ belowT c , indicative of complex magnetic behavior. For still higher Au concentrations, resistivity maxima occur in these alloys, reflective of short-range magnetic ordering. Arguments are presented to show that this is strongly suggestive of spin-glass-type freezing at lower temperatures, as is observed in many canonical metallic spin-glasses.

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Authors and Affiliations

  1. Tata Institute of Fundamental Research, Bombay, India

    J. Ray & Girish Chandra

Authors
  1. J. Ray
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  2. Girish Chandra
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Ray, J., Chandra, G. Is there ferromagnetic to spin-glass transition in PdAuFe alloys?. J Low Temp Phys 57, 283–290 (1984). https://doi.org/10.1007/BF00681193

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  • DOI: https://doi.org/10.1007/BF00681193

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