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Effect of oxygen vacancies on the phonon dispersion of pyrochlores
The frustrated magnetism of pyrochlores makes them candidates for applications in magnetic cooling and scientific instrumentation, and the proposal that they can be used to... -
Anomalous magnetism in oxygen-deficient scandium-doped spin ice
Our previous diffuse neutron scattering experiment on SXD showed that oxygen vacancies are the dominant defects in spin ice. The substitution of tetravalent titanium by... -
Suppression of thermal conductivity in nanostructured ZnO
Thermoelectricity offers solutions for the low-carbon economy through the development of energy-efficient technology. Modest improvement in thermoelectric performance would... -
Simultaneous Raman and INS Studies of C70
The vibrational spectrum of C70 has been investigated by many techniques since it became available in significcant quantities. Previous INS spectra were recorded with small... -
Characterisation of the hydrides in Stryker¿s reagent
In recent years, soluble derivatives of CuH prepared by non-aqueous routes have become important as mild reducing agents, one such compound, Stryker¿s reagent [Ph3PCuI]6. The... -
Diffuse scattering from doped zinc oxide
Zinc oxide is an important wide band gap semiconductor material used in a diverse range of industrial applications, many of which require both n-type and p-type components. It... -
Detailed characterisation of metastable phase fractions in ZrW2O8
Cubic alpha-ZrW2O8 is the classic example of a material exhibiting the unusual property of negative thermal expansion (NTE). Despite this effect having been discovered 20 years... -
The origin of ultra-low thermal conductivity in the thermal barrier material ...
Thermal barrier materials are used in modern turbines to enable them to run above the melting temperature of the turbine blades. However, to go to higher temperatures (and... -
Effect of oxygen vacancies on the phonon dispersion of pyrochlores
The frustrated magnetism of pyrochlores makes them candidates for applications in magnetic cooling and scientific instrumentation, and the proposal that they can be used to... -
Ab-inito lattice dynamics and thermal diffuse scattering in amino acids and p...
We propose to simultaneously collect diffuse and Bragg scattering in the amino acids L-Serine, L-Alanine, and their joint dipeptide L-Alanine-L-Serine hydrate and ask for 8 days... -
Inelastic neutron scattering study of polycrystalline half-Heusler thermoelec...
The aim of the proposal is to determine detailed phonon density of states data for a range of half-Heusler samples, and combine this with DFT modelling in collaboration with... -
Phonon dispersion and defects in pyrochlores
Pyrochlores exhibit a rich variety of exotic physical properties including fractionalization, topological order and emergent magnetic monopoles in the classical spin ices, and a... -
Inelastic neutron scattering study of polycrystalline half-Heusler thermoelec...
The aim of the proposal is to determine detailed phonon density of states data for a range of half-Heusler samples, and combine this with DFT modelling in collaboration with... -
Li-ion diffusion in the solid electrolyte LLT
The high voltage and energy density has made lithium-ion batteries ubiquitous in portable electronics, such as iPods, laptops and mobile phones. At present, they are typically... -
Using phonons to probe the hidden order in URu2Si2
URu2Si2 exhibits a transition into a ¿hidden order¿ state below 17.5 K, in which there is no change of crystal structure or onset of large magnetic moment, but a huge release of... -
Rattling modes in new thermoelectrics
NaxCoO2 has an exceptional combination of thermoelectric properties, including low thermal conductivity, and it is currently under consideration for use in power recovery and as... -
Intrinsic defect structures in zinc oxide
Zinc oxide is an important semiconductor material used in a wide range of industrial applications, many of which require both n-type and p-type components. It can easily be... -
Phonon scattering and the thermal conductivity of zinc oxide
Understanding the thermal conductivity of zinc oxide is of central importance in assessing its potential for a wide variety of applications in optoelectronics, power electronics... -
The origin of ultra-low thermal conductivity in the thermal barrier material ...
Thermal barrier materials are used in modern turbines to enable them to run above the melting temperature of the turbine blades. However, to go to higher temperatures (and... -
Effect of oxygen vacancies on the phonon dispersion of pyrochlores
The frustrated magnetism of pyrochlores makes them candidates for applications in magnetic cooling and scientific instrumentation, and the proposal that they can be used to...
