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Crystal structure and conductivity of bismuth-containing complex oxides

E. S. Buyanova, Yu. V. Emelyanova, M. V. Morozova, Z. A. Mikhailovskaya, O. S. Kaymieva, V. M. Zhukovskiy, S. A. Petrova


In the paper, a comprehensive systematic study of different classes of bismuth containing oxide compounds was carried out. The relationship between composition, temperature and concentration regions of existence of stable, specific structure and properties of solid solutions on the basis of vanadates, molybdates, niobates and bismuth was found. The general regularities of synthesis of solid solutions with different variants of solid-phase and soluble methods were determined. On this basis, the optimal conditions for obtaining single-phase materials were formulated. For the first time the temperature and concentration boundaries of the regions of homogeneity and areas of stable existence of polymorphic modifications of solid solutions were defined and/or refined. The structural parameters of the synthesized phases were determined. By the method of electrochemical impedance spectroscopy the nature and features of impedance spectra, the temperature and concentration dependences of electrical conductivity of ceramic materials based on bismuth containing complex oxides were identified.


impedance spectroscopy; bismuth containing oxides; oxygen-ionic conductivity

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Mikhailovskaya ZA, Buyanova ES, Petrova SA, Morozova MV, Zhukovskiy VM, Zakharov RG, Tarakina NV, Berger IF. Cobalt-doped Bi26Mo10O69: crystal structure and conductivity. J Solid State Chem. 2013;204:9–15. doi:10.1016/j.jssc.2013.05.006

Buyanova ES, Petrova SA, Mikhailovskaya ZA, Kaymieva OS, Shatokhina AN, Emelyanova YuV, Morozova MV. Synthesis, Structure, and Conductivity of Substituted Bismuth Niobate Bi7Nb2O15.5. Russ J Inorg Chem. 2015;60(8):913–20. doi:10.1134/S0036023615080045

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Copyright (c) 2015 E. S. Buyanova, Yu. V. Emelyanova, M. V. Morozova, Z. A. Mikhailovskaya, O. S. Kaymieva, V. M. Zhukovskiy, S. A. Petrova

© Chimica Techno Acta, 2014-2018
ISSN 2411-1414 (Online), ISSN 2409-5613 (Print)

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