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Effect of hydrostatic pressure on the magnetic and lattice properties of the ferromagnet La(Fe0.86Si0.14)13

  • Crystal and Magnetic Structures
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Abstract

The temperature dependence of the lattice constant of the ferromagnet La(Fe0.86Si0.14)13 has been measured at different pressures and temperatures. The numerical value of the bulk modulus at room temperature has been determined. The measurements of the temperature dependence of the lattice constant of the ferromagnet La(Fe0.86Si0.14)13 at zero pressure and at 11.5 kbar have demonstrated that, at zero pressure, the lattice constant sharply decreases in the range from 160 to 210 K, whereas at a pressure of 11.5 kbar, the lattice constant decreases in the range from 110 to 180 K. This indicates that the Curie temperature T C changes from 210 to ∼170 K under pressure. The experimental results have been analyzed using the equations of states for the magnetic and elastic subsystems of the ferromagnet.

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Authors and Affiliations

  1. Institute of Metal Physics, Ural Branch of the Russian Academy of Sciences, ul. Sofii Kovalevskoi 18, Yekaterinburg, 620990, Russia

    E. Z. Valiev, I. F. Berger & V. I. Voronin

  2. National Research Centre “Kurchatov Institute,”, pl. Akademika Kurchatova 1, Moscow, 123182, Russia

    V. A. Glazkov, A. A. Kaloyan & K. M. Podurets

  3. Institute of Solid State Chemistry, Ural Branch of the Russian Academy of Sciences, ul. Pervomaiskaya 91, Yekaterinburg, 620990, Russia

    I. F. Berger

Authors
  1. E. Z. Valiev
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  2. I. F. Berger
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  3. V. I. Voronin
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  4. V. A. Glazkov
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  5. A. A. Kaloyan
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  6. K. M. Podurets
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Corresponding author

Correspondence to E. Z. Valiev.

Additional information

Original Russian Text © E.Z. Valiev, I.F. Berger, V.I. Voronin, V.A. Glazkov, A.A. Kaloyan, K.M. Podurets, 2014, published in Fizika Tverdogo Tela, 2014, Vol. 56, No. 1, pp. 21–23.

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Valiev, E.Z., Berger, I.F., Voronin, V.I. et al. Effect of hydrostatic pressure on the magnetic and lattice properties of the ferromagnet La(Fe0.86Si0.14)13 . Phys. Solid State 56, 14–16 (2014). https://doi.org/10.1134/S1063783414010387

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  • DOI: https://doi.org/10.1134/S1063783414010387

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