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Magnetic excitations in mesoporous hematite
We have recently prepared mesoporous forms of various metals oxides. In some cases the imposition of a mesostructure changes other properties of the material significantly. One... -
Single-Crystal Neutron Diffraction Study on [U(C5Me5)2(H)(mu¿H)]2
To our knowledge, the length of the U¿H single bond has never been accurately measured, at least not in a molecular compound by single-crystal neutron diffraction. We currently... -
Vibrational density of states for GeO2, an archetypal ¿strong¿ network glass
The object of this proposal is to measure the partial vibrational density of states (VDOS) within the incoherent approximation for the archetypal 'strong' network forming glass... -
Understanding the true biological function of Plant Non Specific Lipid Transf...
Non specific lipid transfer proteins are a family of basic, cysteine rich proteins found in a wide range of plant species. The biotechnological role of these proteins in beer... -
Crystal Field Excitations in the Borderline Spin Ice Pr2Zr2O7
The title compound is expected to be a spin ice close to an instability which stabilises magnetic order. We can determine its spin Hamiltonian precisely by measuring the crystal... -
Inelastic neutron scattering investigations of the high temperature phase tra...
Recently it has been reported that YbAl3C3 undergoes an antiferromagnetic quadrupolar ordering transition at 80 K, Further study by Ochiai et al. revealed that the transition at... -
Excitations in an orbitally dimerized spin S=1 honeycomb antiferromagnet
Ru4+ ions in Li2RuO3 are on a bipartite lattice and have an orbital degeneracy. The four electrons of the magnetic Ru4+ ions in the threefold-orbitally degenerate t2g manifold... -
Further crystal field excitation data for pyrochlore zirconates.
Nd2Zr2O7 (NZO), synthesized and supplied to us by Tokura and Onose, is a new candidate spin ice while Pr2Zr2O7 (PZO) if anything even more promising is supplied to us by... -
Disorder in substituted beta-tricalcium phosphate for waste immobilisation
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... -
Giant spin fluctuations and their effect on the first order magnetic transiti...
A giant enhancement of the heat capacity in La(Fe13-xSix) indicates the presence of large spin fluctuations at the paramagnetic to ferromagnetic phase transition. The nature of... -
Study of a spin gap and CEF excitations in the caged compounds CeT2Al10 (T=Fe...
This proposal was submitted on MERLIN (RB1010206) and beam time was allocated on MARI. We have carried out low energy measurements on MARI and found a clear evidence of the spin... -
Quantum critical dynamics in the presence of disorder
Quantum phase transitions are abrupt qualitative changes of a system's groundstate occurring only at exactly zero temperature. Such critical points - although never reachable...