Abstract
In this paper, we compared the results of a heat capacity study of an erbium-doped gallium gadolinium garnet crystal with data for an undoped garnet. The measurements were carried out in the temperature range from 1.9 to 220 K and in magnetic fields from 0 to 9 T. The temperature dependences of the specific heat were interpreted with allowance for the Schottky contributions due to the Gd3+ and Er3+ ions and the contributions of the thermal vibrations of the crystal lattice. The values of entropy and magnetic entropy are calculated.
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Original Russian Text © I.E. Lezova, E.V. Shevchenko, E.V. Charnaya, E.N. Khazanov, A.V. Taranov, 2018, published in Fizika Tverdogo Tela, 2018, Vol. 60, No. 10, pp. 1906–1910.
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Lezova, I.E., Shevchenko, E.V., Charnaya, E.V. et al. Heat Capacity of Erbium-Doped Gallium-Gadolinium Garnet. Phys. Solid State 60, 1948–1952 (2018). https://doi.org/10.1134/S1063783418100165
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DOI: https://doi.org/10.1134/S1063783418100165