Defect structure of quenched γ-BINIVOX

I Abrahams , J.A.G Nelstrop , Franciszek Krok , W Bogusz


The defect structure of γ-Bi2V0.9Ni0.1O5.35 (BINIVOX, x=0.10) quenched from high temperature has been refined using X-ray and neutron powder diffraction data. The defect structure shows that oxide ion vacancies are exclusive to the equatorial positions around the Ni/V atom. Consideration of site occupancies, inter-site contact distances, and geometrical constraints yields two likely coordination environments for V/Ni, i.e. distorted tetrahedral and distorted octahedral. The percentage of V/Ni sites that are distorted tetrahedra may be calculated as 68\% with the remainder as distorted octahedra.
Author I Abrahams
I Abrahams,,
, J.A.G Nelstrop
J.A.G Nelstrop,,
, Franciszek Krok ZJCS
Franciszek Krok,,
- Solid State Ionics Division
, W Bogusz
W Bogusz,,
Journal seriesSolid State Ionics, ISSN 0167-2738
Issue year1998
Keywords in EnglishBIMEVOX, BINIVOX, Crystal structure, Neutron diffraction, Oxide ion conductor
Score (nominal)35
Publication indicators WoS Impact Factor: 2006 = 2.19 (2) - 2007=2.228 (5)
Citation count*21 (2015-05-11)
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