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Spin-phonon coupling in heavy fermion CeAuAl3 and CeCuAl3 compounds
To understand this novel ground state of CeCuAl3, we have carried out low and high-energies inelastic neutron scattering (INS) measurements using the IRIS and HET spectrometers.... -
Vibrational proton dynamics in a Ga[GaH3]4 clusterion through incoherent inel...
An unprecedented Ga[GaH3]4 clusterion, with the neopentane structure, has been found in the solid state hydrides Rb8Ga5H15 and Cs8Ga5H15. This is the first gallium-hydrido... -
Temperature dependence on mangetic excitations from the high Tc cuprate BSCCO
We plan to continue inelastic neutron scattering measurements on the high Tc cuprate superconductor BSCCO with optimum doping. In the proposed experiment, we will have about 40... -
Spin Dynamics in the Quantum Critical and Ferromagnetic Regimes of URu2-xRe
Recently, there has been a significant amount of interest in quantum phase transitions and non-Fermi liquid (NFL) behavior exhibited by heavy-fermion compounds. Interestingly... -
Stationary Spin Waves in the Skyrmion Crystal
The inter-metallic B20 compound MnSi is of great interest as a magnetic model system exhibiting helical spin ordering and topologically non-trivial spin correlations. The... -
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... -
Study of vibron stability in CeCuxAl4-x, 0.7x1.1 through inel...
Considering interesting physical properties observed in CeCuxAl4-x our aim is to investigate the stability of vibron excitations, already observed in CeCuAl3, as a function of... -
Inelastic magnetic scattering in CePd3
CePd3 is a classic intermediate valence (IV) system. In MAPS experiment 620167 we obtained an important qualitative result for CePd3, namely that the Kondo-like scattering... -
Inelastic neutron scattering in the Ce3Co4Sn13 heavy Fermion compound
We propose to use the OSIRIS spectrometer to measure the inelastic magnetic scattering on the newly discovered heavy Fermion compound Ce3Co4Sn13. This compound has one 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... -
SR study near the ferromagnetic quantum critical point in CePd1-xRhx ...
Rcently the NFL behaviour near an antiferromagnetic quantum critical point (AFQCP) has been investigated extensively. Very recently, we have investigated, for the first time,... -
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... -
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... -
Investigation of the excitation spectrum in the 1D distorted diamond chain Az...
We propose to investigate the excitation spectrum of azurite in both zero field and applied fields up to 7T. Using inelastic neutrons on OSIRIS we hope to clearly resolve the... -
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... -
Mapping the magnon spectra in the skyrmion phase of MnSi
In cubic B20 structures, skyrmions, topologically-protected three-dimensional spin textures, arise from competition of the ferromagnetic exchange interaction and the... -
Neutron diffraction and inelastic neutron scattering study on NdT2Al10 (T= Ru...
We have investigated the magnetic structure and crystal field excitations (CEF) of CeT2Al10 (T=Os and Ru). The observed magnetic moment along the c-axis does not agree with that... -
Investigation of giant crystal electric field (CEF) splitting in CeIr3Si2
CeIr3Si2 exhibits highly anisotropic bulk properties with two magnetic transitions at TN1 ~ 3.9 K and TN2 ~ 3.1 K. The overall CEF splitting of the J=5/2 ground multiplet of... -
Proton Delocalization in Liquid Hydrogen Chloride
Liquid HCl has attracted numerous studies focusing onto the role played by hydrogen bonding on the dynamical properties of this weakly associated liquid. Previous computational... -
Study of vibron quasibound state in RAg1-xCuxAl3, 0<x<1 (R=Ce and La) through...
We propouse the study of crystal-field or vibron excitations along the series RAgxCu1-xAl3 (R=Ce and La, 0<x<1), where we expect to studing two main aspects. The first one...
