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Ex situ Study of glass formation from Cu-exchanged Zeolite by INS
In the earlier research, the rheology of collapsing zeolites amorphized by temperature has been studied as well as the vibration that destabilize crystals. With the study of... -
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... -
Spin Excitations and "Hourglass" Dispersion in the Model High-Tc superconduct...
The unique "hourglass"-type dispersion observed within several classes of hole-doped cuprates has garnered considerable theoretical and experimental interest. Here we propose to... -
The magnon density of states in NiPS3
NiPS3 is an example of a low-dimensional magnetic system. It is potentially a 'model' magnet, meaning that it might be a good material to search for new phenomena that have been... -
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... -
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... -
Powder Averaged magnetic fluctuations in Cu3Nb2O8
Cu3Nb2O8 is an unusual multiferroic compound in that the electrical polarisation is oriented perpendicular to the common plane of rotation of the spins. We propose to begin a... -
Neutron spectroscopy of a novel family of Ln2 dimers
Molecular nanomagnets containing 4f ions are attracting an increasing interest because of their large magnetic anisotropy and slow relaxation of magnetization originating from... -
Magnetic Excitations in Chromium
Chromium is unique amongst the d-band elemental metals in that it has a spin density wave ground state. The spin density wave is caused by Fermi surface nesting between electron... -
High frequency optic-like mode and vibrational density of states in ionic liq...
We propose a comparative study of the high-frequency optic-like mode and Boson peak modes observed in the vibrational density of states (DOS) in the glass phase of the two model... -
Spin excitations in the superconducting FeTe0.6Se0.4
The FeTe1-xSex series exhibits superconductivity over a broad range of doping. Previously we have made extensive neutron scattering measurements on superconducting x = 0.49 and... -
Spin excitations in La2O2Fe2OSe2 ¿ A Mott insulator candidate
We propose to map out the spin excitations in La2O2FeOSe2 using the MARI chopper spectrometer on a powder sample. Although the structure of La2O2FeOSe2 has some similarities to... -
Low-dimensional glasses: Effect of occupational site disorder in the excess o...
The present scientific case concerns a glass-forming system with even less degrees of freedom, namely the occupational disorder of high-temperature phase (I, P21/c) of... -
Neutron spectroscopy of a novel family of Ln2 dimers
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MAPS commissioning
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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... -
High precision measurements of the spin wave dispersion in Yttrium Iron Garnet
Yttrium Iron Garnet (YIG) is a material with extremely wide ranging applications, having the narrowest ferromagnetic resonance linewidth of any known material. Despite decades... -
Spin excitations in RbFe2F6 and CsFe2F6 A possible S=5/2 Kagome lattice?
Geometrically frustrated spin systems are important owing to the fact that the geometry often suppresses conventional mean field ground states in favor of more unconventional... -
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... -
Spin excitations in RbFe2F6 ¿ A possible S=5/2 Kagome lattice?
We propose to investigate the spin fluctuations in a candidate S=5/2 Kagome lattice. Previous neutron diffraction has found that RbFe2F6 maybe a good realization of a Kagome...
