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Local structure in PMN-PT relaxor ferroelectrics
The proposed experiments will provide neutron total-scattering data for elucidating the nanoscale ordering of polar atomic displacements that underlie the commercially viable... -
Total scattering from multiferroic bismuth ferrite at high temperatures
Bismuth ferrite (BiFeO3) is the archetypal multiferroic material and as such has been copiously studied using a wide variety of techniques. Despite this, new structural and... -
Structural changes of PdRu alloy nanoparticles caused by catalytic reactions
We are proposing 4 days of beamtime on GEM/Polaris to conduct the neutron powder diffraction experiments on PdRu alloy nanoparticles supported on CZ (CeO2-ZrO2) before and after... -
Correlating local structure with properties in piezoelectrics, and multiferro...
Discovery and development of advanced materials requires understanding and control of the relationship between composition, structure and function. Traditionally, design has... -
Neutron Total Scattering Investigation of Temperature Driven Transitions in L...
This proposal is concerned with determining the local structure of LaCoO3 and observing changes within this as the material undergoes some well characterised temperature driven... -
Local Structure in Tetragonal Tungsten Bronze (Sr,Ba)Nb2O6 Uniaxial Relaxor F...
Oxides with tetragonal tungsten bronze (TTB) structures are an important class of ferroelectrics with properties relevant for several technological applications. The... -
The Local Structure of Doped α - Tricalcium Phosphate
The biomaterial potential of many calcium phosphates, such as hydroxyapatites and tricalcium phosphates (Ca3(PO4)2, TCP hereafter), have led to much literature attention over... -
Characterization of the fast lithium ion conducting phases Li(BH4)1-xBrx
Two days of beamtime on GEM will be used to analyse the structure of the fast lithium-ion conductive phases formed by anion doping the hydrogen storage material LiBH4 with... -
The Nature Of Magnesium Substitution in Beta-Tricalcium Phosphate
We have a long established interest in the materials used for the immobilisation of nuclear waste from the domestic power industry and legacy waste from various defence... -
Local Structure Study of Nanosized High Nickel-Content Li-ion Cathode Materials
Li ion batteries currently use LiCoO2 based materials as the cathode. The cost and scarcity of cobalt have driven a search for alternative materials and a leading candidate... -
Local Structure in (K,Na)NbO3 Piezoelectric Ceramics
KxNa1-xNbO3 (KNN)-based solid solutions are promising lead-free piezoelectrics for ceramic actuators. In this system, the long-range order of octahedral rotations and... -
Structures of New Doped RuO2 Rutiles
We have prepared some new mixed-metal oxides using a chemical synthesis approach that provides access to materials not seen using other techniques. The materials are potentially... -
Determination of the relative magnitudes of static and dynamic displacements ...
The width of a peak in a pair distribution function (PDF) provides a measure of the variation in the distance between a pair of atoms. This results from a combination of thermal... -
Structure and composition of oxide nano-composites for application as SOFC ca...
Solid oxide fuel cells (SOFCs) are devices for converting liquid or gaseous fuels directly to electrical current. They rely on high oxide ion conductivity throughout the device... -
The structural role of carbonate groups in glass
We request GEM beamtime to study the structure of samples of sodium silicate glass with and without CO3 carbonate groups. The presence of CO3 carbonate groups in the glasses is... -
Establishing the local environment of O/F in perovskite based oxide fluorides
There is widespread interest in perovskite materials, with work traditionally focusing on simple oxide systems. In recent years, however, there has been growing interest in the... -
Exploring nanoscale phase separation in alpha-NaMnO2 and CuMnO2 2D frustrated...
Recently, our combined diffraction and NMR experiments have shown that alpha-NaMnO2, an antiferromagnet with two-dimensional triangular stacked topology, is a striking example... -
Characterisation of the magnetic properties of SnxFe4xN
Gamma'-Fe4N exhibits fascinating magnetic properties. It adopts a simple perovskite-like structure (space group Pm-3m) with iron atoms occupying the corners (Wyckoff position... -
Structural investigation of perovskite-based ferroelectric materials through ...
The aim of this proposal is a comprehensive structural investigation of a technologically-important perovskite-based ferroelectric material xBiScO3-(1-x)PbTiO3 through studying... -
Cathodes for Na-ion batteries
Lithium-ion batteries are of great interest for automotive applications but are expensive. Sodium is much more abundant and hence cheaper so for e.g. storing energy from...