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Structures and Chemistry of new layered oxychalcogenides
We propose to use POLARIS to obtain detailed structural information on a series of new lithium-containing layered oxychalcogenides and to investigate the ordering of lithium... -
Magnetic excitations in the new superconductor A2Cr3As3 (A=K, Cs and Rb)
The recently discovered quasi-one-dimensional (Q1D) superconductor A2Cr3As3 (A=K, Rb, and Cs with TC ≈ 6.1 K, 4.8 K, and 2.2 K, respectively) has intrigued intensive... -
Interfacial adsorption of monoclonal antibody and antigen binding
Antibody-antigen binding has been extensively used in many technological applications such as immunoassays, chemical analysis and bionanotechnology. The crucial element... -
Spin gap and possible spin-dimer formation in Ce(Os1-xFex)2Al10 (X=0 to 1)
Our neutron study using MARI/MERLIN on Ce(Ru1-xFex) 2Al10 reveals very interesting magnetic excitations and a manuscript is ready to submit to PRB. In x=0 (TN=27 K) a... -
Direct measurement of hydrogen storage capacities of nanoporous materials via...
Absolute hydrogen capacities of nanoporous storage materials cannot be accessed using conventional gas sorption experiments, but can be estimated by modelling experimental... -
The role of zero-point fluctuations in a quantum-disordered spin-dimer compound
Recently a great deal of theoretical and experimental interest has been directed at a class of magnetic materials which undergo phase transitions at zero temperature. These... -
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... -
Low-temperature structures of Prussian blue analogues for electrochemical app...
We propose a low-temperature diffraction study at POLARIS of Prussian blue analogues (PBAs) of general formula NaxMM'(CN)6, where 1 < x 2. These systems currently attract... -
Structural and Magnetic Properties of New Pb2FeTeOx Phases
Pb2FeMO6 phases are of interest as potential multiferroics. We have prepared a new non-centrosymmetric pyrochlore-derived structure containing anion vacancy ordering... -
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... -
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... -
Inelastic neutron scattering study on new Mott-insulating oxychalcogenides, L...
La2O2M2OSe2 (M=Fe, Co, Mn) are layered Mott-insulating antiferromagnets with a potential to be a non-copper high-Tc superconductor. All compounds have shown unusual magnetic... -
Vibrational Dynamics of Alkali Silicate Glasses - An Isotopic Mass Contrast S...
The present proposal is part of a larger EPSRC project advancing the vibrational spectroscopy of silicate glasses. The project involves the techniques of IR and Raman... -
Quantum spin dynamics in molecular based triangular antiferromagnet Li2AMo3O8...
Recently new molecular based magnets Li2AMo3O8 (A = In and Sc), where Mo3O8 clusters form S = 1/2 triangular lattice Heisenberg antiferromagnet, were synthesized.... -
Structure and magnetic order in chemically modified schafarzikites
Schafarzikite minerals are structurally interesting in having 1-D chains of edge-linked transition metal octahedra. This experiment aims to determine the cause of the... -
Oxygen mobility in the defect perovskite Sr3SbO5.5
We propose to use Polaris to record powder neutron diffraction data for the oxygen deficient double perovskite Sr3SbO5.5 as a function of temperature to establish the... -
Meta-orbital transition in CeRh2Si2
Magnetic quantum critical points (QCPs) in strongly correlated electron systems, i.e. continuous phase transitions at absolute zero temperature, considerably attract both... -
Neutron Diffraction Study of a Spin-1/2 Pyrochlore Lu2Mo2O5N2
Ammonolysis of R2Mo2O7 pyrochlores gives R2Mo2O5N2 containing S = ½ Mo5+. They are excellent candidate materials for investigation of quantum spin liquid phenomena and we have... -
Jahn-Tellar distortions in uranium compounds
A full understanding of the chemistry of the actinides has not been established, especially in comparison to transition metals. The treatment of nuclear waste by long term... -
Condensation of supercritical hydrogen in nanoporous hydrogen storage materia...
This proposal builds on the success of our last INS experiment (RB1210041), which used TOSCA's new low energy capabilities to access and track the elastic line as well as the...
