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Inelastic neutron scattering from H_2 in binary clathrate hydrates
The proposing team is interested in exploring the rotational and translational dynamics of molecular hydrogen trapped in water-based cages (clathrate hydrates). These systems... -
Search for structural modulation lifting the orbital degeneracy in triangular...
This proposal is part of our research programme on spin and orbital order in frustrated systems. AgNiO2 has a layered crystal structure with Jahn-Teller active Ni3+ ions forming... -
Magnetic order in the triangular quantum magnet AgNiO2
This proposal is part of our research programme on spin and orbital order in frustrated systems. AgNiO2 has a layered crystal structure with Jahn-Teller active Ni3+ ions forming... -
Crystallographic and Magnetic structures of PrMn7O12
The study of novel manganites, where the tailoring of the Mn formal valence state on the B site is done by the ordering of different cations on the A site of the ABO3 (B:Mn)... -
In situ diffraction studies of the archetypal network glass, SiO2 at high pre...
Silica glass is one of the most widely studies amorphous materials. It is the archetypal glass former, comprising a network of corner-shared SiO4 tetrahedra. Recently a lot of... -
Development of internal strains during compression of Al-Si alloy Al-7Si-0.4Mg
This proposal follows on from our successful experiment on ENGIN-X lin 2006, where we measured the development of strains in the aluminium and silicon phases of a common casting... -
Study of the multi-gap phenomena in SrTiO$_3$
We intend to perform the magnetic field penetration depth \lambda measurements on theoxygen reduced and Nb-doped SrTiO_3 -- the first oxide superconductors where two-gap... -
Coexistence of Superconductivity and Magnetism in Thin Films
We have recently used a combination of PNR and low energy muon spin rotation (LEM) to detect the coexistence of an induced SDW and superconductivity in the superconducting layer... -
Cation substitution in synthetic meridianiite (MgSO4.11D2O): phase behaviour ...
MgSO4.11H2O (MS11) is the most highly hydrated phase in the binary MgSO4¿H2O system. Whilst lower hydrates in this system have end-member analogues containing alternative... -
Polymorphism and structure-property relations in 12H-type perovskite (Ba,La)1...
We request one day of beam-time on POLARIS to collect Neutron Diffraction (ND) data from three novel 12H-type hexagonal perovskites that exhibit higher than expected... -
High resolution neutron diffraction studies of lanthanide zirconolites
The aim of this experiment is to determine high quality structural models for pyrochlore and zirconolite phases in the Y2Ti2-2xFexNbxO7 and Y2-xCexTi2-xFexO7 solid solutions,... -
Characterisation of bioadhesive protein-PEG conjugates grafted to titanium su...
Summary: Titanium implants are surgically important and require a hydrophilic polymer coating to prevent biofouling in situ. Bioadhesive proteins can be covalently tethered to... -
Microscopic structure of acetic acid in water and methanol
Some of the most important chemical reactions involve Brønsted acids and bases where the solvation structure and transport dynamics of charged defects in hydrogen-bonded... -
Degenerate ground-states in Ho2-xYxSn2O7
Ho2-xYxSn2O7 is characterized by degenerate magnetic ground-states, which involve the magnetic structure for x->0 (Spin-Ice phase) and the two-fold degeneracy of the... -
Lattice vibrations of hydrogen impurities in a solid neon matrix
In recent incoherent inelastic neutron scattering experiments we have shown that the anharmonic single-particle dynamics of H2 can be measured with high precision in quantum... -
Towards an accurate structural phase diagram for the novel BiScO3-PbTiO3 ferr...
The aim of this experiment is to determine accurately the crystal structures of phases in the (1-x)BiScO3-xPbTiO3 (BST-PT) perovskite phase diagram, particularly in the vicinity... -
Investigating the effect of pore structure upon interactions of hydrogen with...
Three MOFs samples with high hydrogen storage capacities at 77K, and high surface area, are willing to be analyzed. In order to investigate hydrogen interactions within the... -
Mesostructured titania films from ethanolic solutions
In this proposal we wish to continue our current work on mesostructured inorganic films in largely ethanolic solutions, containing limited amounts of water. Transition metal... -
Studies of Muon-Beam-Induced currents in semi-imsulating GaAs
This proposal is a continuation of our recent proposal RB 610004 where this partcurrent measurements) was not completed due to the reduced beam intensity. Currents experiment... -
SESANS of beetle scales and butterfly wings
Neutron scattering and in particular SESANS is able to give us excellent ensemble averaging of the optical properties of materials which exhibit structural colour. We plan to...