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Spin-glass ordering in amorphous Tb-Cr alloys

  • Magnetism and Ferroelectricity
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Abstract

This paper discusses amorphous TbxCr100−x alloys (x=16, 28.5, 43, and 59 at.%) obtained by quenching from the vapor phase. It is found that the structure of the alloys is heterogeneous: the coexistence of two amorphous phases, characterized by different short-range order, is observed. The short-range order of these phases qualitatively corresponds to the structure of pure components (Cr or Tb). In the low-temperature region, the alloys transform to the spin-glass state. It is established that the transition temperatures to the spin-glass state depends on the composition linearly, increasing as the terbium concentration increases. It is shown that the magnetic properties of amorphous Tb-Cr alloys are determined by the random magnetic anisotropy associated with the Tb atoms.

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Authors and Affiliations

  1. Voronezh State Technical University, 394026, Voronezh, Russia

    O. V. Stognei, I. V. Zolotukhin & O. Rapp

Authors
  1. O. V. Stognei
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  2. I. V. Zolotukhin
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  3. O. Rapp
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Additional information

Fiz. Tverd. Tela (St. Petersburg) 41, 1236–1239 (July 1999)

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Stognei, O.V., Zolotukhin, I.V. & Rapp, O. Spin-glass ordering in amorphous Tb-Cr alloys. Phys. Solid State 41, 1126–1129 (1999). https://doi.org/10.1134/1.1130952

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  • DOI: https://doi.org/10.1134/1.1130952

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