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

L. T. Denisova; L. G. Chumilina; V. M. Denisov; V. V. Ryabov

doi:10.1134/S1063783417120113

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

作者: Denisova L.T.¹, Chumilina L.G.¹, Denisov V.M.¹, Ryabov V.V.²
隶属关系:
1. School of Non-Ferrous Metals and Material Science
2. Institute of Metallurgy, Ural Branch
期: 卷 59, 编号 12 (2017)
页面: 2321-2324
栏目: Semiconductors
URL: https://ogarev-online.ru/1063-7834/article/view/201661
DOI: https://doi.org/10.1134/S1063783417120113
ID: 201661

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详细

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).