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Investigation of the impact of mechanical twinning on the thermal expansion b...
We request three days of beam-time on POLARIS to investigate the influence of thermally-induced twinning on the thermal expansion behaviour of polycrystalline calcite.... -
Characterization of local symmetry breaking in superconducting La2-xBaxCuO4 &...
The mechanism of high temperature superconductivity (HTSC) remains unresolved. Of particular interest is the origin of the mysterious pseudogap (PG, a partial gap in the... -
Thermoelastic properties of ammonium sulfate, (ND4)2SO4, and the P-T dependen...
Ammonium sulfate exhibits a first-order phase transition upon cooling through ~ 224 K at room pressure, from a paraelectric to a ferroelectric crystal. There have been no... -
Heterogenous reactions between gas-phase hydroxyl radicals and organic films ...
Projected climate change is strongly influenced by clouds. The oxidative processing of pollutants in clouds affects droplet size and reflectivity, important climatic effects.... -
Combined in-situ structural and hydrogen desorption/absorption studies of hyd...
The Li?N?H hydrogen storage system is one of the most promising candidates for hydrogen storage in vehicular applications and the addition of halide ions significantly increases... -
The gas-phase oxidation of mixed organic films at the air-water interface ¿ t...
The Earth¿s climate is strongly influenced by clouds. The oxidative processing of pollutants in clouds affects cloud droplet size and optical properties, important climatic... -
Structures of Titanium Dioxide Nanomaterials using Neutron Total Scattering
We propose to examine the structure of anatase titanium dioxide (TiO2) obtained by different synthetic techniques (including hydrothermal and sol-gel) and of different particle... -
Texture analysis of aerospace aluminium alloy 7037-T7452 forging region 1
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Neutron Training Course
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Thermodynamic Control of Isotopic Polymorphism
Co-crystals of 4-methylpyridine and pentachlorophenol (MP-PCP) exhibit the very unusual property of isotopic polymorphism, formation of different phases by samples differing... -
Control of defect structure in microwave-synthesised complex nitridometallate...
Lithium transition metal nitrides Li3-xMxN (M=Co, Ni and Cu) have been reported previously as promising anodes for Li-ion batteries. The most promising compound in this family... -
The icy-moon analogue of MgSiO3-perovskite: MgSO4.9H2O a high-pressure study
Mg-sulfate 11-hydrate (meridianiite) is decomposed by pressure to form Mg-sulfate 9-hydrate + ice, a process that will occur in the mantles of large icy planetary bodies and... -
Investigation of glycolide-h4 and d4 at high pressure.
This proposal seeks to investigate the polymorphism and polymerisation of glycolide. Glycolide is a six-memebered ring structure that polymerises into poly(glycolic acid) and is... -
In-situ neutron diffraction during reversible deuterium loading in under-stoi...
Hydrogen is an efficient energy carrier that can be produced from renewable sources and stored in alloys in solid-state for long period enabling the transition towards CO2-free... -
Pressure driven phase transitions in antiferroelectric, PbZrO3
Antiferroelectric materials are attracting extensive attention due to their potential in energy storage applications. These materials exhibit a double polarisation-field... -
In-situ Battery Discharge Studies of Thermal Batteries using Transition Metal...
Thermal batteries find use in applications such as emergency power systems and ejector seats in aircraft. They operate at elevated temperatures of around 400-500 °C, where the... -
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... -
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... -
Texture and 3D strain pole figure measurement of engineering components by GEM
The proposed experiment is to measure texture and strain tensor for specimens made by Direct Laser Deposition (DLD) and Linear Friction Welding (LFW) techniques. The... -
The quest for fully hydrogen-ordered ice XIV
Water ice displays a remarkably complex phase diagram containing pairs of hydrogen-ordered / disordered phases. Ice XII is a hydrogen-disordered phase and ice XIV is its...