Structure-Property Relationships in Oxide Ion Conductors: Bi6WO12

DOI

High temperature Bi2O3 has the highest oxide ion conductivity known for any material. It has an oxygen-deficient fluorite-based structure, with 25% of oxygen atoms missing from tetrahedral sites in the face centred cubic Bi3+ array. However, delta-Bi2O3 is stable only from 730oC to its melting at 804oC. Its cubic structure can be stabilised by low levels of doping, while higher levels of cation substitution often result in symmetry lowering and formation of complex fluorite-related superstructures.As part of our EPSRC-funded research programme on structure-property relationships in oxide ion conductors, in this proposal we request 1 day of HRPD beam time to perform powder neutron diffraction studies on Bi6WO12 in order to determine its crystal structure and correlate the structure with its oxide ion conducting properties.

Identifier
DOI https://doi.org/10.5286/ISIS.E.24079941
Metadata Access https://icatisis.esc.rl.ac.uk/oaipmh/request?verb=GetRecord&metadataPrefix=oai_datacite&identifier=oai:icatisis.esc.rl.ac.uk:inv/24079941
Provenance
Creator Dr Devashi Adroja; Professor Ivana Evans
Publisher ISIS Neutron and Muon Source
Publication Year 2013
Rights CC-BY Attribution 4.0 International; https://creativecommons.org/licenses/by/4.0/
OpenAccess true
Contact isisdata(at)stfc.ac.uk
Representation
Resource Type Dataset
Discipline Photon- and Neutron Geosciences
Temporal Coverage Begin 2010-03-17T09:30:43Z
Temporal Coverage End 2010-03-18T09:13:46Z