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Spin-orbit transitions in CoV3O8
Strong orbital mixing resulting from local distortions in the crystal field can mix higher energy orbital states with the ground state. We propose to characterise this mixing in... -
Magnetic excitation spectrum in a new magnetically-ordered Fe-based supercond...
The aim of our experiment is to map out the excitation spectrum of the recently-discovered superconducting AxFe2Se2 system for energy transfers of up to 250 meV. This... -
Resonant Spin Excitation in Single Crystal of Ba0.8K0.2Fe2As2
We recently observed a resonant spin excitation in Ba0.6K0.4Fe2As2, one of the newly discovered iron arsenide superconductors with Tc=38K, on MERLIN. This demonstrates that the... -
Spin excitations in LiFeAs, a stoichiometric ferropnictide superconductor at ...
We propose to measure the powder-averaged spin excitation spectrum of LiFeAs, a new member of the ferropnictide family of superconductors. This compound is special because it is... -
Search for magnetic correlations in Fe phosphide superconductors
We propose to use inelastic neutron scattering to search for the existence of spin fluctuations in two iron phosphide superconductors, LaFePO and Sr2ScFePO3. The objective is to... -
Inelastic neutron scattering study of polycrystalline half-Heusler thermoelec...
The aim of the proposal is to determine detailed phonon density of states data for a range of half-Heusler samples, and combine this with DFT modelling in collaboration with... -
Magnetic excitation in triangular latticce antiferromagnet alpha-CaCr2O4
The triangular Heisenberg antiferromagnet is the classic example of the frustrated magnet, here the ground state forms a non-collinear 120° structure. A number of different... -
Crystal-field and magnetic excitations in NdTa7O19
Rare-earth based geometrically frustrated magnets represent a promising new platform of searching for enigmatic quantum states of matter. Here, entanglement of spin and orbital... -
Effect of electron doping on the magnetic dynamics of the d^4 Mott insulator ...
Oxides containing heavy transition-metal ions with four d electrons (d^4) surrounded by an octahedron of oxygen ions have recently been predicted to display a novel type of... -
Spin dynamics in FeSi
At low temperatures FeSi is a non-magnetic insulator, but becomes a metallic paramagnet for T > 300K. It has been proposed to be a Kondo insulator in which local electron... -
Spin wave excitations in the 2D honeycomb ferromagnets
Graphene is the single layer of honeycomb-shaped carbon network, for which 2010 Nobel Prize in Physics was awarded thanks to its novel electronic properties. One of such... -
Soft Modes in the Ferroelectric Semiconductor SbSI
Antimony sulfo-iodide (SbSI) exhibits strongly-coupled photoconductive, semiconducting, and ferroelectric properties. Until the discovery of the lead-oxide ferroelectric relaxor... -
An Investigation on the Effects of B-site disorder on the well-isolated non-K...
Although stuffing in the quantum spin ice (QSI) Yb2Ti2O7 has been shown to play a vital role inthe selection of a ground state, the only study to address such disorder was... -
Inelastic neutron scattering study in geometrically frustrated magnet BaV10O15.
In orbitally degenerated triangular system it is predicted that orbital ordering and associated local magnetic trimerization to remove frustration. In BaV10O15 lattice... -
Test of FERNS CCR at low temperatures on MERLIN
This dataset has no description
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Inelastic neutron scattering studies on novel frustrated antiferromagnets Li3...
A newly discovered novel frustrated antiferromagnets Li3Mg2MO6 (M = Ru, Os) constitutes edge-sharing triangles of M4+ ions (S = 3/2) linked by corner-sharing in the ab-plane.... -
Crystal field and magnetic excitations of the non-centrosymmetric heavy-fermi...
Several non-centrosymmetric heavy-fermion compounds have been reported to exhibit unconventional superconductivity (SC). For example, both CeRhSi3 and CeIrSi3 order... -
Role of interstitial oxygen ordering on the spin excitation of Pr2-xSrxNiO4+d
Dynamics of charge and spin stripe in 214-type nickelets (La2-xSrxNiO4+d) have been investigated intensively in last two decades as similar electronic ordering was found in... -
The application of INS to investigate the active phase of methane steam refor...
A previous allocation of beamtime on MAPS [RB720354] revealed the vibrational fingerprint of methane reforming catalysts operating under so-called ¿dry¿ reforming conditions.... -
Inelastic neutron scattering of non-Fermi-liquid behaviour in Ce2PdIn8
For non-Fermi liquid compounds, the dynamical susceptibility, as determined from inelastic neutron scattering, is particularly interesting as it exhibits universal energy...
