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In-situ conductivity study of double perovskites for use as potential anode m...
It is a challenge to develop materials for use in fuel cell applications. Presently we are preparing new perovskite and double perovskite structured compounds being potential... -
High resolution neutron powder diffraction studies of the cubic spinels Li2Ni...
We propose to study the structures of Li2NiGe3O8 and Li2ZnGe3O8 using variable temperature high resolution powder neutron diffraction, with the intention of locating the Li... -
Structure of lithiated anatase and rutile nanotubes
Bulk and nanoparticulate forms of various phases of titania (anatase, rutile, TiO2-B) act as hosts for Li intercalation but the nanoscale TiO2 can store significantly more Li... -
Determination of Local Lithium Environment in Fast Ion Conducting Garnets by ...
We propose to use two days of beamtime on POLARIS to carry out the first analysis of the Pair Distribution Function of lithium-conducting garnets. These materials show... -
Local Structure of TiNiSn-based thermoelectrics
We propose to study the local structure in two series of promising thermoelectric materials: Ti1-xZrxNiSn and TiNi1+ySn. Diffraction experiments on Ti1-xZrxNiSn reveal multiple... -
Topochemically Reduced Vanadium oxides
Recently we have been investigating low-temperature synthesis routes to prepare novel complex transition metal oxide phases with highly unusual oxidation states and/or... -
In-situ Neutron Diffraction Studies of Lithium Battery Materials
This proposal seeks to test a new battery designed to allow in situ neutron diffraction measurements of lithium ion battery electrodes under charge and discharge. We have... -
Correlation of composition, structure and superconductivity in electron-doped...
The purpose of this experiment is to gather structural data on the electron-doped derivatives of LiFeAs obtained by substituting some Fe by Co or Ni. In particular these data... -
Structure of the lithium battery cathode Li2+2x(Fe,Mn)1-xSiO4
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... -
Lithium amide: calcium hydride (1:1) as the basis for a new hydrogen storage ...
A definitive structural model of LiCaN from powder neutron diffraction (PND) is an important first step towards a systematic study of the process and mechanism of hydrogenation... -
Investigating the structural features and magnetic order in novel perovskite ...
Through low temperature fluorination of AFeO3-x (A=Sr, Ba) it is possible to prepare the oxide fluorides AFeO2F, which are antiferromagnetically ordered at room temperature. In... -
Structures and magnetism of iron arsenide superconductors with widely separat...
The recent discovery of superconductivity in a series of iron pnictide materials has provided impetus to the field of new materials discovery. Like in the cuprate... -
Low Temperature Magnetic, Thermoelastic and Structural Behaviour of Antiferro...
We propose to study the low temperature structural and magnetic changes in three clinopyroxene phases FeGeO3, CaNiSi2O6 and CaCoSi2O6. All three phases order... -
Structure and stoichiometry of boron carbides synthesised by microwave heating
A key focus in industrial processing is finding greener routes to well-established, high performance materials. Boron carbide is such a material, with excellent mechanical and... -
High-Temperature Neutron Diffraction of Thermoelectric Materials
We wish to investigate the origin of the promising thermoelectic performance of oxy-chalcogenides BiOCuQ (Q = S, Se, Te) and related phases. We wish to explore whether the low... -
Magnetoelectric coupling in the polycrystalline ceramic BiFeO3 - PbTiO3
There are a number of room temperature multiferroics based on BiFeO3. The BiFeO3 - PbTiO3 (BFPT) system shows ferroelectric and antiferromagnetic ordering at room temperature... -
Framework flexibility and host-guest hydrogen bonding in the metal-organic do...
The recently reported double perovskite analogue imidazolium potassium iron(III) cyanide is noteworthy for two reasons. First, the order-disorder phase transitions, in which the... -
Oxygen Vacancy Defects in Y Doped CeO2
CeO2 based ceramics are currently the subject of extensive research interest as potential electrolyte materials for Solid Oxide Fuel Cells (SOFCs). They offer the advantage of... -
Strain/order parameter coupling and anomalous elastic properties of Sr(Ti,Zr)...
HRPD data will be collected in situ at low and high temperatures from perovskites belonging to the Sr(ZrxTi1-x)O3 solid solution which have recently been characterised for their... -
The Defect Structure of Scandia Doped Zirconias
There is currently considerable research interest in the synthesis and characterisation of materials with high oxide-ion conductivities, owing to their potential exploitation as...
