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Thermal Expansion in Substitution Alloys Based on Heavy Rare-Earth Metals \({\mathbf{R}}_{{{\mathbf{1}} - {\mathbf{x}}}}^{{\mathbf{I}}}{\mathbf{R}}_{{\mathbf{x}}}^{{{\mathbf{II}}}}{\mathbf{F}}{{{\mathbf{e}}}_{{\mathbf{2}}}}\)

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Bulletin of the Russian Academy of Sciences: Physics Aims and scope

Abstract

A study is performed of the behavior of thermal expansion and magnetostriction in magnetically ordered substitution alloys based on heavy rare-earth metals: TbFe2, Tb0.8Zr0.2Fe2, Tb0.8Sm0.2Fe2, and Gd0.8Sm0.2Fe2. It is found that anomalies of thermal expansion observed in the alloys are mainly due to competition between exchange interactions. Invar-type features are observed in TbFe2 and Tb0.8Zr0.2Fe2 alloys in a wide range of temperatures.

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Funding

This work was supported by the Russian Science Foundation, project no. 22-22-00313.

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Authors and Affiliations

  1. Ibragimov Complex Institute, Russian Academy of Sciences, 364051, Grozny, Russia

    Z. S. Umkhaeva & I. M. Aliev

  2. Chechen State University, 364024, Grozny, Russia

    Z. S. Umkhaeva & I. M. Aliev

  3. Moscow State University, 119991, Moscow, Russia

    I. S. Tereshina, N. Yu. Pankratov & M. R. Khomenko

Authors
  1. Z. S. Umkhaeva
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  2. I. S. Tereshina
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  3. N. Yu. Pankratov
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  4. I. M. Aliev
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  5. M. R. Khomenko
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Corresponding author

Correspondence to Z. S. Umkhaeva.

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The authors declare that they have no conflicts of interest.

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Translated by L. Mukhortova

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Umkhaeva, Z.S., Tereshina, I.S., Pankratov, N.Y. et al. Thermal Expansion in Substitution Alloys Based on Heavy Rare-Earth Metals \({\mathbf{R}}_{{{\mathbf{1}} - {\mathbf{x}}}}^{{\mathbf{I}}}{\mathbf{R}}_{{\mathbf{x}}}^{{{\mathbf{II}}}}{\mathbf{F}}{{{\mathbf{e}}}_{{\mathbf{2}}}}\). Bull. Russ. Acad. Sci. Phys. 87, 291–294 (2023). https://doi.org/10.3103/S1062873822701106

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  • DOI: https://doi.org/10.3103/S1062873822701106

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