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A Total Scattering Study of Local Structure in BIMEVOXes
The BIMEVOXes are an important family of fast oxide ion conducting solids that exhibit very high conductivities at low and intermediate temperatures. A study of local ordering... -
Structure/Conductivity Relationship in Doped Bismuth Tantalate Solid Electrol...
A detailed study of the temperature and compositional variation of defect structure in doped bismuth tantalates is proposed. Tantalum doping into Bi2O3 can achieve d-phase... -
Superstructure in bismuth rich substituted bismuth oxides
A study of superlattice ordering in substituted bismuth oxides is proposed. Bismuth rich compositions at the 14:1 B:M (where M = W/La and Ta) ratio will be investigated. These... -
Total Scattering Study of Hexagonal and Rhombohedral Bi2O3 Based Electrolytes
Bismuth oxide based electrolytes have been widely studied due to their high oxide ion conductivity. The d-phase of Bi2O3 shows the highest known oxide-ion conductivity of any... -
Defect structure in W/Ln and Ta/Ln di-substituted bismuth oxide based solid e...
The stability regime of the oxide ion conductor delta-Bi2O3 is limited to a narrow temperature range just below its melting point. Substitution of Bi3+ by a variety of isovalent... -
Increasing Oxide Ion Vacancy Concentration Bi2O3 Based Electrolytes through d...
Recent research has shown that bismuth oxide based electrolytes are viable components in solid oxide fuel cells. Di-substitution of Bi3+ by an isovalent and a subvalent cation... -
Potassium Vanadates: Potential Electrode Materials for Lithium Batteries
A high-resolution powder neutron diffraction study of the potassium bronzes KV5O13 and K2V8O21 is proposed. The structure of KV5O13 is unknown, while K2V8O21 is believed to... -
Defect Structure in Lead Doped Bismuth Yttrates
Stabilised bismuth oxides are of interest as intermediate temperature solid electrolytes for a variety of electrochemical device applications. Lead doping into bismuth yttrate... -
Phase Transitions in Pb/Y di-substituted Bi2O3 Based Electrolytes
There has been recent interest in the use of cermets based on stabilised delta bismuth oxide based solid electrolytes as cathodes in solid oxide fuel cells. It has been shown... -
The structural role of zinc in complex phosphate glasses for new bone cements
A study of zinc containing phosphate glasses for biomedical applications is proposed. The structural role of zinc as a function of composition will be investigated through... -
Unusual polymorphism in sodalites
We have recently observed extraordinary polymorphism on cooling various sodalites under vacuum. Materials undergo a phase transition followed by a fully reversible...