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Abstract <p>Multicomponent single-phase rare earth zirconates LaGdZr<sub>2</sub>O<sub>7</sub>, (LaSmGd)<sub>2/3</sub>Zr<sub>2</sub>O<sub>7</sub>, (LaSmGdY)<sub>1/2</sub>Zr<sub>2</sub>O<sub>7</sub>, (LaNdSmGdY)<sub>2/5</sub>Zr<sub>2</sub>O<sub>7</sub> of the pyrochlore structure were synthesized. The isobaric heat capacity at 300–1800 K and thermal diffusivity were measured. The thermal conductivity of non-porous samples in the range of 300–1300 K was calculated.</p>

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Synthesis, High-Temperature Heat Capacity, and Thermal Conductivity of Multi-Component Rare-Earth Zirconates

  • 期刊论文

  • 发表日期：

    2025年4月1日

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  • P. G. Gagarin,
  • A. V. Guskov,
  • V. N. Guskov,
  • K. S. Gavrichev

摘要

Abstract

Multicomponent single-phase rare earth zirconates LaGdZr2O7, (LaSmGd)2/3Zr2O7, (LaSmGdY)1/2Zr2O7, (LaNdSmGdY)2/5Zr2O7 of the pyrochlore structure were synthesized. The isobaric heat capacity at 300–1800 K and thermal diffusivity were measured. The thermal conductivity of non-porous samples in the range of 300–1300 K was calculated.