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In-situ conductivity study of double perovskites for use as potential anode m...
It is a challenge to develop materials for use in fuel cell applications. Presently we are preparing new perovskite and double perovskite structured compounds being potential... -
Hydrogen from ammonia using lithium imide metal nitride composites
Light metal amides and imides are a new class of highly active ammonia decomposition catalysts. Indeed, composites of lithium imide and transition metal nitrides are likely to... -
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... -
In Search of Superionic Conductivity of Mg2+ Cations
The migration of cations with a charge greater than 1 has received very little attention historically, perhaps due to no commercially driven demand for the research as well as... -
Short range static and thermal disorder in glasses and crystals
We seek to use the temperature-dependence of the neutron correlation function to investigate the extent of static disorder in glasses and crystals, and also to investigate the... -
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... -
Ba3Mo1-xNb1+xO8.5-x/2 novel oxide ion conductor: Local structure and structur...
Oxide ion conductors are researched as potential electrolytes in solid oxide fuel cells (SOFCs). Yttria-stabilized zirconia is currently the most commonly used electrolyte in... -
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... -
Density dependent deviations from hydrodynamic diffusion in a molten salt
The study of binary ionic liquids and, as their prototypes, molten alkali halides, has a long tradition in theory, experiment as well as simulation. According to Fick's law the... -
Phase Transitions and Orbital Ordering in SrRu1-xCuxO3.
This proposal seeks to establish the importance of orbital ordering on the stability of the tetragonal phase in Cu doped SrRiuO3. Orbital ordering is believed to be a... -
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... -
QENS Investigation of Proton Conduction Mechanism in Spark-Plasma-Sintered Pr...
Fuel cells exhibit high-energy efficiency and the only release is clean water when used with hydrogen. Proton ceramic fuel cells (PCFC) are from special interest because proton... -
Investigating the structural features and magnetic order in novel perovskite ...
Through low temperature fluorination of AFeO3-x (A=Sr, Ba) it is possible to prepare the oxide fluorides AFeO2F, which are antiferromagnetically ordered at room temperature. In... -
Define the crystal structures of lead-free ferroelectric, candidate multiferr...
We have a range of new structures in the lead-free ferroelectric, candidate multiferroic and SOFC cathode areas. The HRPD data will be used to define these new crystal... -
High-Temperature Neutron Diffraction of Thermoelectric Materials
We wish to investigate the origin of the promising thermoelectic performance of oxy-chalcogenides BiOCuQ (Q = S, Se, Te) and related phases. We wish to explore whether the low... -
Dynamics of poly-acrylonitrile in polymer-layered silicate micro-objects
We propose to measure vibrational spectra from poly-acrylonitrile confined in nanoporous silica matrixes. Polymers confined in silica have recently been the subject of great... -
Average structures of new functional oxides - HPRD
The proposal addresses the average structures of new lead-free ferroelectrics, low-temperature ionic conductors and mixed conductors which are candidate solid oxide fuel cell... -
Hydrogen diffusion in Palladium-Silver membranes measured by QENS
Hydrogen selective membranes based on palladium are important for technological processes such as isotopic separation and gas purification.In general, a Pd membrane when... -
Na-Dynamics in Solid Ionic Conductors: 11Al2O3-Na2O and Na2Ti3O7
We would measure vibrational spectra as well as quasielastic neutron scattering (QENS) spectra for beta- alumina (11Al2O3-Na2O) and Na2Ti3O7. The measurement of phonon spectra... -
Estimating carbon contents within different phases in hypereutectoid steels
Previous studies have attempted to correlate the results of metallography with neutron diffraction studies on the very high-carbon steels used in Oriental blades, and Indian...