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Q-dependence of the single particle motion in a molten alkali halide
An inelastic X-ray investigation on the collective inelastic dynamics of molten NaCl revealed the remarkable result that the acoustic-like dynamics is similar to the dispersion... -
High resolution neutron powder diffraction studies of the cubic spinels Li2Ni...
We propose to study the structures of Li2NiGe3O8 and Li2ZnGe3O8 using variable temperature high resolution powder neutron diffraction, with the intention of locating the Li... -
Magnetic excitations in mesoporous hematite
We have recently prepared mesoporous forms of various metals oxides. In some cases the imposition of a mesostructure changes other properties of the material significantly. One... -
Oxide Ion Disorder in Rhombohedral Bismuth Neodymium Oxide Electrolytes
Materials that exhibit high oxide ion conductivity are of interest with a view to their application in solid oxide fuel cells, gas sensors and gas separation membranes. A study... -
Crystallographic Basis for the High Temperature, 2D Invar Effect in Copper Gi...
We wish to study the gillespite-structured phase Ba0.5Sr0.5CuSi4O10 at high temperatures to determine the structural basis of the invar-like (zero thermal expansion) of the a-b... -
In-Situ Studies of Electrochemically Enhanced Performance in Perovskite Elect...
Recent studies in our laboratory have shown that a range of A-site deficient perovskite oxides, with carefully tuned chemical compositions, exhibit excellent properties when... -
Apatite-type Oxides for Energy Applications: Role of Lattice Dynamics
Lanthanum-containing germanate apatites are materials with potential applications as electrolytes in solid oxide fuel cells. The conductivity of these materials is known to... -
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... -
Glasses and supercooled liquids in the Se-Cl system
Little is known on the structure and properties of vitreous Se doped with halogens in contrast to group III, IV, V, and VI dopants and also many metal additives. Our Raman... -
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)... -
Programme Access Rosseinsky
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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... -
Determination of lithium ion diffusivity in the lithium-ion cell cathode mate...
With the decreasing cost of energy generation by renewable sources, energy storage is becoming increasingly critical to energy security across the globe. Lithium iron phosphate... -
Investigating the presence of an order-disorder transition in La6Y4Ge6O27
Apatite-type phases have been attracting interest as a new class of oxide ion conductors, and in these systems, the key defects are oxide ion interstitials. We have recently... -
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... -
Local Structure in Ni-Cr Solid Solutions
The future of aviation relies on the improvement of the efficiency of the jet-turbine engines, which is in turn reliant on the properties of the materials (specifically the... -
In-situ Variable Temperature Studies of Dy Doped BiFeO3
Multiferroics and in particular BiFeO3 have recieved alot of interest. The potential of multiferroic materials to be incorporated into many devices such as sensors and memory... -
In-situ Formation of Fast Lithium Conducting garnets via low temperature sol-...
Increasing global population, global warming and depletion of fossil fuels have resulted in a growing need for better energy storage. Lithium-ion batteries are promising devices... -
Texture measurement and in-situ annealing of hot-rolled α + β dual-...
The experiment will use neutron diffraction to analyse a hot-rolled matrix of dual-phase ZrNb alloys, in order to measure the macroscopic texture dependence on temperature,...
