High-temperature heat capacity of samarium and erbium titanates with pyrochlore structure

被引：5
|
作者：
Denisova, L. T. [1 ]
Chumilina, L. G. [1 ]
Denisov, V. M. [1 ]
Ryabov, V. V. [2 ]
机构：
[1] Siberian Fed Univ, Sch Nonferrous Met & Mat Sci, Krasnoyarsk 660025, Russia
[2] Russian Acad Sci, Inst Met, Ural Branch, Ekaterinburg 620219, Russia
来源：
PHYSICS OF THE SOLID STATE | 2017年 / 59卷 / 12期
关键词：
D O I：
10.1134/S1063783417120113
中图分类号：
O469 [凝聚态物理学];
学科分类号：
070205 ;
摘要：
Titanates Sm2Ti2O7 and Er2Ti2O7 with pyrochlore structure have been prepared by solid-phase synthesis in air from stoichiometric Sm2O3 (Er2O3)-TiO2 mixtures sequentially at 1673 and 1773 K. Hightemperature heat capacity of the oxide compounds has been determined by differential scanning calorimetry. Their thermodynamic properties have been calculated from experimental temperature dependence C (p) = f(T).
引用
收藏
页码：2321 / 2324
页数：4
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