A new anion conductive bismuth–vanadium oxyfluoride | Zendy

Alexandr V. Akopjan | Zendy; T.V. Serov | Zendy; В. А. Долгих | Zendy; Elena I. Ardaschnikova | Zendy; Philip Lightfoot | Zendy

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A new anion conductive bismuth–vanadium oxyfluoride

Author(s) -

Alexandr V. Akopjan,

T.V. Serov,

В. А. Долгих,

Elena I. Ardaschnikova,

Philip Lightfoot

Publication year - 2002

Publication title -

journal of materials chemistry

Language(s) - English

Resource type - Journals

eISSN - 1364-5501

pISSN - 0959-9428

DOI - 10.1039/b201049f

Subject(s) - aurivillius , vanadium , bismuth , materials science , ion , conductivity , vanadium oxide , crystal structure , neutron diffraction , electrical conductor , crystallography , oxide , electrical resistivity and conductivity , inorganic chemistry , chemistry , ferroelectricity , dielectric , metallurgy , optoelectronics , composite material , organic chemistry , electrical engineering , engineering

A new anion conductive oxyfluoride Bi2VO5F0.7 has been obtained. Its crystal structure, related to the well-known Aurivillius phases, has been determined from powder X-ray and neutron diffraction data combined with a piezo test and magnetic measurements (I4mm, a = 3.869(3) A, c = 15.648(6) A, Rp = 4.41, Rwp = 9.50%). The transport properties of this compound have been studied as a function of temperature by impedance spectroscopy. The relation of the Bi2VO5F0.7 crystal structure and anion conductivity with different modifications of Bi2VO5.5 oxide is discussed.

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