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Bi0.775Ln0.225O1.5 (Ln = La, Dy) Oxide Ion Conductors: Local Structure, Compl...
Ionic conductivity is a property where a material is able to conduct electricity through the movement of ions. Oxide ion conductors can be used in solid oxide fuel cells, which... -
Ordering in La/W Double Substituted Bismuth Oxide Based Fluorites
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... -
P and Al substitutions in the lithium battery cathode Li2FeSiO4
There is great interest in scaling up Li-ion batteries for use in electric vehicles, requiring cheap and safe cathodes. Li2FeSiO4 shows promising performance as a cathode but... -
A variable temperature study of polymorphism in Li2+2xM1-xSiO4 electrode mate...
There is great interest in scaling up Li-ion batteries for use in electric vehicles, requiring cheap andsafe cathodes. Recently, silicate-based cathodes have been described,... -
Structure of the lithium battery cathode Li2(Fe,Mn)SiO4
There is great interest in scaling up Li-ion batteries for use in electric vehicles, requiring cheap and safe cathodes. Li2FeSiO4 shows promising performance as a cathode but... -
The elusive ¿cubic¿ phase of BiFeO3 and related materials
We wish to probe the suggested existence of a high-temperature cubic perovskite phase in the multiferroic material BiFe0.7Mn0.3O3. The parent phase of this material, BiFeO3, was... -
Structural Models of the Polymorphs of Gallium Oxide
Gallium oxide is an apparently simple oxide that has been reported to exist as at least 5 polymorphs all of which are stable at room temperature. Structural models, however, for... -
Towards the development of carbonitrides as novel two-stage regenerable reage...
We are examining a number of cobalt-molybdenum carbonitrides as possible catalysts for reactions that produce nitrogen-containing organic molecules. There is good evidence that... -
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,... -
Precipitate evolution in cold rolled Ti-V high strength low alloy (HSLA) steel
HSLA steels have been widely used in automotive industry to reduce fuel consumption due to its high strength and good weldability. These properties are achieved by nano-size... -
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... -
Cation coordination and oxide ion vacancy distribution in tetravalent substit...
Oxide ion conductors based on bismuth oxide based have recently been demonstrated as viable alternatives to traditional electrolytes for intermediate temperature solid oxide... -
Local Structure within Fluorite-Pyrochlore Solid Solutions
This proposal requests 6 days beamtime on the Polaris diffractometer to study the nature of the local structure within two systems which have been reported to show a solid... -
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... -
Structural phase transitions in proton conducting BaCe0.8Y0.2O3-d as function...
The structure dependence of BaCe0.8Y0.2O3-d (BCY-20), a leading proton conducting material, will be studied as a function of temperature and, critically, controlled atmosphere... -
Spin orientation in natural nanoscale intergrowths and the origin of giant ex...
The orientation of spins in a natural sample of Ti-bearing hematite (Fe2O3) has been measured previously from 2-300K using neutron powder diffraction. It was shown that spins... -
In situ studies of mixed-phase oxygen transport membranes
The oxygen transport membrane is a system being developed by St Andrews in conjunction with industry, which at high temperatures will allow the selective migration of oxygen... -
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 Study of thermal Stability of MAX Phases in Vacuum at Elevated Temper...
Ti2AlN and Ti4AlN3 are MAX phases that exhibit a unique combination of the characteristics of both ceramics and metals coupled with an unusual combination of mechanical,... -
Aged NiCr (cond 4)
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