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Magneto-phonon contribution into the Young's modulus of gadolinium

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Abstract:

Theoretical and experimental investigation has been made of the magnetic contribution to the Young's modulus of rare earth ferromagnet gadolinium. Experimental study includes measurements of the Young's modulus as a function of temperature, magnetic field and magnetization of gadolinium. Theoretical analysis is based on the account of phonon anharmonicity which gives rise to the dependence of Debye temperature on magnetization. Spontaneous magnetic contribution to the Young's modulus of Gd is found to be proportional to the squared magnetization of the metal. The magnetic contribution is also induced by magnetizing magnet due to the paraprocess.

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Authors and Affiliations

  1. Physics Department, Ural State Technical University,UPI, 620002, Ekateringburg, Russia

    V.Y. Bodriakov & A.A. Povzner

  2. Physics Department, M.V. Lomonosov Moscow State University, 119899, Moscow, Russia

    S.A. Nikitin

Authors
  1. V.Y. Bodriakov
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  2. A.A. Povzner
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  3. S.A. Nikitin
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Received: 9 April 1996 / Revised: 26 January 1998 / Accepted: 26 February 1998

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Bodriakov, V., Povzner, A. & Nikitin, S. Magneto-phonon contribution into the Young's modulus of gadolinium. Eur. Phys. J. B 4, 441–445 (1998). https://doi.org/10.1007/s100510050401

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  • DOI: https://doi.org/10.1007/s100510050401

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