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Journal of Structural Chemistry

, Volume 59, Issue 8, pp 2001–2010 | Cite as

High-Temperature Studies of the Structure of Complex Oxides Based on Bi26Mo10O69–d

  • Z. A. Mikhaylovskaya
  • S. A. Petrova
  • E. S. Buyanova
  • A. Abrahams
Article
  • 5 Downloads

Abstract

Complex oxides with the general formula Bi26–2xMe2x Mo10O69–d, Bi26Mo10–2yMe2y′′ O69–d are synthesized by the standard ceramic technology, certified and analyzed by high-temperature X-ray and neutron diffraction techniques. Specific features of the structures of triclinic and monoclinic modifications of complex oxides are determined. It helps interpret a change in the electroconductive properties of the samples as a result of a polymorphic transition: in the monoclinic modification [MoO4–O–MoO4] clusters are detected together with a doubled amount of [(MoO4)–Bi(MoO4)–]n chains oriented along the b axis, which may affect the character of oxygen ion transfer. For Fe-substituted samples selective iron substitution for molybdenum is revealed.

Keywords

bismuth molybdates bismuth oxide oxygen ion conductors high-temperature X-ray diffraction high-temperature neutron diffraction 

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Copyright information

© Pleiades Publishing, Ltd. 2018

Authors and Affiliations

  • Z. A. Mikhaylovskaya
    • 1
  • S. A. Petrova
    • 2
  • E. S. Buyanova
    • 1
  • A. Abrahams
    • 3
  1. 1.Ural Federal UniversityEkaterinburgRussia
  2. 2.Institute of Metallurgy, Ural BranchRussian Academy of SciencesEkaterinburgRussia
  3. 3.Queen Mary University of LondonLondonUK

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