-
The Defect Structure of Scandia Doped Zirconias
There is currently considerable research interest in the synthesis and characterisation of materials with high oxide-ion conductivities, owing to their potential exploitation as... -
Local cation ordering in bismuth yttrium ytterbium oxide solid electrolytes
Solid electrolytes based on Bi2O3 exhibit high conductivity at intermediate temperatures (300-600 deg C) and recent research has revealed the true potential of these materials... -
Neutron powder diffraction studies of the crystal structure of Li2+xMSiO4-xNx...
Synthesis and characterisation of oxide ceramics which possess high values of lithium-ion conductivity at temperatures close to ambient is an essential part of the development... -
Acceptor-doped BiFeO3: Oxide Ion Conduction and Possible Structural Disorder.
2 days of beamtime is requested on Polaris to study the defect structure of an oxide-ion conductor Bi1-xBaxFeO3-x/2. RT total neutron scattering studies on samples heat treated... -
High-Temperature Crystal Structure of Aluminium-Substituted La(Sr)Ga(Mg)O3-d ...
Due to a high-oxide ion conductivity, strontium and magnesium co-substituted lanthanum gallate (LSGM) is considered as a potential electrolyte material for solid oxide fuel... -
In-situ neutron diffraction and conductivity measurement for high proton cond...
Sr1-xBaxCe0.5Zr0.35Y0.1Sm0.05O3-&; (SrBCZYSm) where x = 0,0 - 0.9 are promising as intermediate temperature solid oxide fuel cell electrolyte. PXRD reveals that all of the... -
In situ diffraction studies of cathode materials for Li ion batteries
Li-ion batteries are interesting because they offer high power and, as a consequence, they are preferred to aqueous-based batteries for traction applications e.g. hybrid... -
Understanding local structure and proton capture in BaZrO3 based proton condu...
Increasing global energy demands makes more efficient energy conversion technologies highly attractive. One such technology is proton conducting fuel cells (PCFCs) operating in... -
In-situ neutron diffraction and conductivity measurement for high proton cond...
Sr1-xBaxCe0.5Zr0.35Y0.1Sm0.05O3-&; (SrBCZYSm) where x = 0,0 - 0.9 are promising as intermediate temperature solid oxide fuel cell electrolyte. PXRD reveals that all of the... -
Nature of structural disorder in proton conducting In-doped BaZrO3
This proposal requests three days on the Polaris diffractometer to investigate the nature of local structure in the well known proton conducting perovskite system... -
In-situ study of structure-property relationships on proton conducting perovs...
Significant research has been given towards synthesis and characterisation of electrolyte materials with high proton conductivity for intermediate temperature range (200-600°C)... -
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... -
In-situ hydration and total scattering studies of Ba2In2-xMxO5 (M = Y and Ga)...
This proposal requests 2 days time on POLARIS to complete the initial study (RB 1120314). In particular the focus is on collecting RT total scattering data to clarify the... -
Defect structure in new lithium germanium molybdate LISICONs
Systems that exhibit a continuous framework, with electrolyte and electrode regions differentiated by small differences in composition are being developed for use in all solid... -
Structure of beta-Mo2N in the normal and superconducting states; an in-situ r...
A recent experiment (RB820171) unexpectedly revealed that a sample of beta-Mo2N exhibited a number of extra reflections at 4 K; a temperature below the superconducting critical... -
Ordering in the La/W substituted bismuth oxide fluorite, Bi7W0.25La0.75O12.375
Materials that show fast oxide ion conduction have potential applications as electrolytes in devices such as solid oxide fuel cells (SOFCs), gas sensors and gas separation... -
Simultaneous Conductivity-Diffraction Studies of Halide Superionics
We request 5 days beamtime on the Polaris diffractometer to perform simultaneous ionic conductivity and neutron powder diffraction measurements of five superionic binary... -
Diffraction Resistance Measurements of a Chalcopyrite
During the course of a PhD project funded by CCLRC's CMPC, we have developed a cell that allows electrical transport property measurements to be made simultaneously with the... -
In-situ Neutron Diffraction Study of Proton Conducting Perovskite Oxide BaZr0...
Acceptor-doped perovskite oxides exhibit significant proton conductivity under humid or hydrogen containing atmosphere, which opens a unique possibility to be used as...
