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Temperature dependence of spin dynamics near quantum criticality in an Ising ...
This proposal is part of our research programme to explore the interplay of thermal and quantum fluctuations near zero-temperature quantum phase transitions. Here we apply for a... -
Test of FERNS CCR at low temperatures on MERLIN
This dataset has no description
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Magnon decay below the critical field in the S=1/2 Heisenberg antiferromagnet...
The two dimensional Heisenberg antiferromagnet on a square lattice is one of the most studied model quantum magnets. This is in part due to its intrinsic interest but also to... -
High Energy Magnetic Excitations in Fe(Se,Te)
In our recent experiments on MERLIN we have established that the spin excitations in Fe(Se,Te) emanating from incommensurate positions near (0.5 0.5 0) extends at least to 250... -
Pressure-dependence of the anisotropic exchange interactions in two closely r...
There are no magneto-structural correlations for clusters containing transition metal ions with non-zero orbital angular momentum in the ground state. Octahedrally coordinated... -
Phonon confinement effects in Si-nanowires
Nanowires can be used for devices based on thermoelectrics and to convert the heat into electrical current. The material design challenge here is to create the materials where... -
Origin of ultra-low thermal conductivity in Zintl-type TlInTe2: An Inelastic ...
Materials displaying ultralow lattice thermal conductivity (k_Lat) are crucial to realizing high performing thermoelectric materials to convert waste heat into electrical... -
Investigation of a new three-dimensional frustrated quantum magnet
Interesting behaviour in Heisenberg spin systems originates from networks of triangles or tetrahedra, where spins interact via antiferromagnetic interactions. In 3D there are... -
Neutron scattering investigation of spin-dynamics in the S= 1/2 trimer chain ...
Spin-trimer chain systems are of current interest due to unconventional properties arising from the strong quantum fluctuations and topology, such as, quantum phenomenon of... -
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... -
Can we use the H-H stretch of adsorbed dihydrogen to characterise materials?
The use of the J 0-to-1 rotational transition of dihydrogen has been extensively used to characterise the state if hydrogen in and on materials. The disadvantage of studying the... -
Correlated triplon decay and Correlated multi-triplon propagation in the Shas...
We propose to continue our investigation on LET of the Shastry-Sutherland compound SrCu2(BO3)2. The first part of the experiment aims to establish the Q-dependence, which will... -
Magnons and electromagnons in a magnetic field induced collinear commensurate...
In this proposal, we would like to suggest inelastic neutron scattering measurement on a single-crystal sample of a frustrated antiferromagnet CuFeO2 under applied magnetic... -
Does Na2Co2TeO6 realize the Kitaev model?
Preliminary data on the spin excitation spectrum of the honeycomb lattice compound Na2Co2TeO6 are consistent with the existence of Kitaev interactions, as was recently proposed... -
Low energy spin dynamics of the stoichiometric heavy fermion CeRuSn3
Heavy fermion systems situated close to a quantum critical point present very rich physics due to the dominant Kondo interactions. Our investigations on the Kondo lattice heavy... -
Spin waves in as-grown PLCCO-- How doping without annealing affects the spin ...
We propose to study the spin wave excitations of nonsuperconducting single crystal Pr0.88LaCe0.12CuO4 (PLCCO). Previous experiments on superconducting PLCCO have shown that spin... -
Measurement of q-dependent Joint-DOS of a topological insulator
We propose inelastic neutron scattering (INS) experiment on single crystal of the prototype topological insulator (TI), Bi2Se3, at MAPS to measure q-dependent joint-DOS, based... -
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... -
Determination of the ligand field parameters of holmium bisphthalocyanine sin...
We aim to determine the ligand field parameters of the [HoPc2]¿ complex belonging to the family of lanthanide double decker (Ln=Dy3+,Ho3+,Tb3+) single-molecule magnets (SMM),... -
Magnetic excitations in the quantum spin ice Yb2Ti2O7
We propose to carry out an inelastic neutron scattering experiment at LET to investigate the excitations in the quantum spin ice Yb2Ti2O7. In contrast to other single crystal...
