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Rosseinsky Programme Access Polaris
To determine the temperature dependence of the structures of new mixed and ionic conducting materials in the n = 2 ruddlesden-popper,mellilite and pyrochlore systems. -
Complex ordering in a new polar A-site deficient perovskite
Recent theoretical work has identified that oxygen octahedral rotations (OORs) in layered perovskites such as Ruddlesden-Popper (RP) phases can generate noncentrosymmetry... -
Variable temperature structural study of Ca1-xSrxMnO3-d perovskites for use i...
CaMnO3-based perovskite oxides show promise as solid oxygen carriers for use in chemical looping. Partial substitution with small amounts of Sr increases both the capacity and... -
Probing the Mechanisms and Control of Catalytic Activity of Perovskite SOFC A...
Electrode materials for devices such as solid oxide fuel cells must be catalytically active and good ionic and electronic conductors. In particular, recent work in our... -
Apatite-type Oxides for Energy Applications: Symmetry Distortion Mode Analysi...
Apatites are a large group of chemically and structurally flexible functional materials with important applications as solid electrolytes. The majority of known apatite... -
Understanding Deep Earth Mineralogy: A High P/T study of CaSiO3 Perovskite
CaSiO3 perovskite is the third most abundant mineral in the Earth's lower mantle; it also occurs as a major phase at lower pressures and temperatures in subduction zones, where,... -
Does The Crystal Structure of Leucite Evolve with Temperature to the Proposed...
The concept of an aristotype, or equivalently, the basic structure, that represents the highest symmetry crystal structure that can be attained, either experimentally, or... -
Powder Neutron Diffraction study on Sr3NiRuO6
Encouraged by many unconventional magnetic properties in the magnetically frustrated spin-chain compounds of the type A3MM'O6, we have recently synthesized a new member... -
Ferroelastic transitions in quantum critical tetragonal tungsten bronzes
Tetragonal tungsten bronzes have three types of channels for ions with the smallest unusually occupied with Li in potassium lithium tantalate (KLT). This creates complexity... -
Overcoming Chemical Reaction Equilibrium: Determining the Chemical Potential ...
We have developed and demonstrated a novel process to overcome chemical reaction equilibrium constraints on an important reversible industrial chemical reaction by using... -
Negative thermal expansion in V2OPO4
Much effort has been devoted to the research of new NTE materials and the understanding of the mechanism driving this phenomenon. As part of our ERC grant on orbital... -
Incommensurate-commensurate phase transitions in K2SeO4
Materials with incommensurate structures often show exotic properties (such as charge density waves). The development of reliable and efficient refinement techniques for such... -
Sensing SO2 in Robust Porous MOF Materials via Simultaneous Microwave Dielect...
We seek to develop new MOFs for sensing and removal of toxic gases (e.g., SO2) and request 4 days on POLARIS to study the structural binding details and dielectric data... -
Investigation of ambient temperature polarity and magnetism in the ternary so...
Pb-based materials such as PbZrxTi1-xO3 (PZT) are widely used as transducers, actuators and sensors in a range of modern technologies due to their excellent piezoelectric and... -
Study of the interfacial self-assembly of peptide/polymer membranes by neutro...
The interfacial self-assembly between large (polymer) and small (peptide) molecules of opposite charge results in the formation of highly organized membranes. Furhter... -
Quantum magnetism in lanthanide gallium garnet magnetocaloric materials
Geometrically frustrated lanthanide gallium garnets find practical applications as low temperature magnetocalorics, but the competing interactions in these materials may give... -
Structure of Molecular Hydrogen in High Charge Pillared Clays
In this proposal we aim to study low temperature structure of hydrogen in the interlayer region of partially hydrated pillared clays. There are linked dual motivations for this... -
Structure Sequence in Ca(1-x)Nd2x/3TiO3 Ceramics
Microwave dielectric ceramics are used in communications devices. Such materials need high relative permittivity, high dielectric quality factor and be temperature stable.... -
Variable temperature structural study of oxides with low thermal conductivity
The aim of the experiment is to investigate the temperature evolution of the crystal structure for two transition metal oxides with low lattice thermal conductivities. This will... -
Environmental Apatites
Materials adopting the apatite structure are gaining an increasing importance as potential solid-oxide fuel cell electrolytes and for the chemical stabilisation of high level...