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Magnetoelectric coupling in the multiferroic ceramic BiFeO3 - PbTiO3
The polycrystalline ceramic BiFeO3 - PbTiO3 is both ferroelectric and antiferromagnetic for a wide range of compositional space. We have shown in previous experiments that (1)... -
Understanding the Earth's Core-Mantle Boundary: Crystal and Magnetic Structur...
The physical properties of the post-perovskite phase of MgSiO3 control the dynamics of the lower thermal boundary layer of the Earth¿s mantle, but many of these properties... -
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... -
Local and average structures of the proton conducting Y-doped BaZrO3 from neu...
Y-doped BaZrO3 has been identified as a promising potential candidate as an electrolyte materialfor proton conduction in intermediate temperature fuel cells. In the temperature... -
Structural evolution in LiVS2 anode materials
Intercalation electrodes operating close to 1V vs. Li+/Li are highly desirable. They are safe and provide protection to plating Li if overcharged, while still giving a... -
Crystal Structure of Proton-conducting Double doped Perovskite BaZr0.5In0.25Y...
Considerable effort is currently given to investigate proton conducting electrolyte materials for intermediate temperature range (200-500 °C) fuel cells (ITFCs). This proposal... -
In situ studies on the decomposition of NaNH2 and possible formation of Na2NH.
Group 1 amides of general formula MNH2 are some of the most promising materials for hydrogen storage applications due to their relatively low temperatures of hydrogen evolution... -
Pair distribution function analysis of stacking disorder in ice
Very recently, the metastable cubic ice phase was renamed to stacking-disordered ice (ice Isd) in order to emphasise the fact that this form of ice contains not only cubic... -
A variable temperature study of polymorphism in Li2MSiO4 electrode materials
There is great interest in scaling up Li-ion batteries for use in electric vehicles, requiring cheap and safe cathodes. Recently, silicate-based cathodes have been described,... -
Structures of New Niobates Prepared by Hydrothermal Synthesis
We have prepared some new highly crystalline mixed-metals oxides using mild hydrothermal reaction conditions. Some of these are doped niobates, related to the important... -
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... -
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... -
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,... -
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... -
Cation Ordering in Thermoelectric half-Heusler Materials
The main aim of the proposed experiment is to probe the cation distributions in a series of half-Heusler A(MZ) intermetallic phases that are considered for use in thermoelectric... -
Magnetic structure of magnetocaloric manganites
Magnetic cooling has recently become the focus of cooling system technology as it boasts important advantages in terms of power consumption and for the environment e.g. not... -
Local structural disorder in the ion conducting complex oxide CeNbO4+d
Complex oxides within the family CeNbO4 have been shown by single crystal x-ray studies to have superstructured average structures, but little detail has been obtained about the... -
Structure-property relationships in Mo-based oxides for SOFC applications
Molybdenum based-oxides have recently attracted interest for use as electrolyte and electrode materials in Solid Oxide Fuel Cells. This proposal requests 5 days of beamtime on...