Heat Capacity and Thermodynamic Functions of Lutetium Titanate Lu2Ti2O7

被引：0

作者：

Gagarin, P. G. ^{[1
]}

Guskov, A. V. ^{[1
]}

Guskov, V. N. ^{[1
]}

Khoroshilov, A. V. ^{[1
]}

Gavrichev, K. S. ^{[1
]}

机构：

[1] Russian Acad Sci, Kurnakov Inst Gen & Inorgan Chem, Moscow 119991, Russia

来源：

RUSSIAN JOURNAL OF PHYSICAL CHEMISTRY A | 2025年 / 99卷 / 03期

关键词：

titanate; lutetium; heat capacity; thermodynamics; SCHOTTKY CONTRIBUTIONS; PYROCHLORES; EU2TI2O7; LATTICE;

D O I：

10.1134/S0036024424703448

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

The heat capacity of lutetium titanate was measured in the temperature range 2-1869 K, and the smoothed temperature dependences of heat capacity, entropy, enthalpy changes, and reduced Gibbs energy were calculated. The presence of a gentle anomaly in the heat capacity of Lu2Ti2O7 in the low-temperature range was confirmed, and its parameters were determined. Based on the calculated values of the Gibbs energy the thermodynamic stability of Lu2Ti2O7 in the studied temperature range was estimated.

引用

页码：409 / 419

页数：11

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