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Physics of the Solid State

, Volume 60, Issue 10, pp 1948–1952 | Cite as

Heat Capacity of Erbium-Doped Gallium-Gadolinium Garnet

  • I. E. Lezova
  • E. V. Shevchenko
  • E. V. Charnaya
  • E. N. Khazanov
  • A. V. Taranov
Dielectrics
  • 13 Downloads

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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Copyright information

© Pleiades Publishing, Ltd. 2018

Authors and Affiliations

  • I. E. Lezova
    • 1
  • E. V. Shevchenko
    • 1
  • E. V. Charnaya
    • 1
  • E. N. Khazanov
    • 2
  • A. V. Taranov
    • 2
  1. 1.St. Petersburg State UniversitySaint PetersburgRussia
  2. 2.Institute of Radioengineering and ElectronicsRussian Academy of ScienceMoscowRussia

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