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Effect of thermal expansion on the elastic moduli and Debye temperature of paramagnetic lutetium

  • Metals. Superconductors
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Abstract

The temperature dependence of the Young’s modulus E of paramagnetic lutetium has been studied. It has been shown that an important reason for the dependence E(T) is thermal expansion of the crystal lattice, which also leads to a change in the Debye temperature Θ. The effect of this factor is also revealed in the thermodynamic properties of metals. In particular, we have shown that there is another contribution to variation of the total specific heat of lutetium, associated with the Θ(T) dependence and comparable with the electronic contribution.

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Authors and Affiliations

  1. Ural State Technical University, 620002, Ekaterinburg, Russia

    V. Yu. Bodryakov, A. A. Povzner & O. G. Zelyukova

Authors
  1. V. Yu. Bodryakov
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  2. A. A. Povzner
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  3. O. G. Zelyukova
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Additional information

Fiz. Tverd. Tela (St. Petersburg) 40, 1581–1584 (September 1998)

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Bodryakov, V.Y., Povzner, A.A. & Zelyukova, O.G. Effect of thermal expansion on the elastic moduli and Debye temperature of paramagnetic lutetium. Phys. Solid State 40, 1433–1435 (1998). https://doi.org/10.1134/1.1130715

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  • DOI: https://doi.org/10.1134/1.1130715

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