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Quantum Spin Ice ground states and Structural Disorder in non-Kramers rare-ea...
Pyrochlore oxides based on non-Kramers rare-earth ions, such as Pr3+ and Tb3+, are candidate materials for the formation of the Quantum Spin Ice. However, structural disorder is... -
A unique borohydride bridged dimer of Ni(I)
The reaction of Ni(6-Mes)(PPh3)Br (6-Mes = bis(1,3-(2,4,6-trimethylphenyl)imidazol-2-ylidene) with 2.5 equivalents of NaBH4 leads to formation of product characterised as... -
Magnetic Structure and Martensite Twin-Laws of ferromagnetic Co2-Ni-Ga and Fe...
Pseudoelastic, ferromagnetic Co2NiGa type high-temperature shape memory alloys (HT-SMAs) are characterized by a wide range of tunable transformation temperatures and lower... -
Determination of the low temperature Crystallographic and magnetic structures...
TlCoCl3 and Tl FeCl3 undergo structural phase transition at T1= 165K, respectively T1= 179K and T2=75 K, respectively 79 K. The unit cell stay hexagonal but the basic unitcell... -
Phonons from diffraction and normal mode analysis in HMT
With the overall aim of extending the information derivable in a neutron single crystal diffraction experiment beyond the static structure, we are proposing to perform a... -
Dy2Ti2O7 cooling to 30K wccr=-155 j:14,14
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Wide-angle neutron scattering study of the unusual nematic-nematic transition...
An intriguing unknown variant of the nematic liquid-crystal phase (Nx) has been discovered first in a class of main-chain polymers, and later in LC dimers connected via an... -
Superstructures in high-Tc La(2-x)Sr(x)CuO(4+y)
Previous powder diffraction studies of the superoxygenated La(2-x)Sr(x)CuO(4+y) (LSCO+O) system have not provided a model describing the superstructures of the intercalated... -
Neutron diffuse scattering from multiferroic single crystal BiFeO3
BiFeO3 is a canonical multiferroic material. We know that local (nanoscale) order is crucial in explaining the behaviour of conventional ferroelectrics, and reciprocal space... -
Anisotropic Displacement Parameters and Diffuse Scattering in Graphite
The accurate description of van-der-Waals forces within DFT is currently one of the most active areas of research in computational physics and chemistry. In the case of soft... -
Accurate H atomic parameters for charge densities in polymorphic materials
Polymorphism is a common feature of many molecular materials The "Holy Grail" would be the ability to predict the appearance of polymorphism in a particular molecular system,... -
Crystal quality verification of K0.3MnO3
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crystal structure of potential new spin liquid
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Single Crystal Neutron Diffraction Study of a photo-active pyrene derivative
The compound proposed for this study is an interesting example of how strongly spectroscopic properties of pyrene derivatives in the solid state can depend on the crystal... -
Superstructures in lithium cobaltate
The battery material LixCoO2 has recently been shown to have high thermopower comparable to NaxCoO2 at high x. In the case of NaxCoO2 we showed using neutron Laue diffraction on... -
Looking for potential diffuse scattering in a large crystal of green dioptase
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C-H and H-H Binding in Coordinatively Unsaturated Ruthenium Carbene Complexes
Removal of the chloride ligand from the neutral N-heterocyclic carbene complex Ru(IPr)2(CO)HCl (IPr = bis(1,3-(2,6-diisopropylphenyl)imidazol-2-ylidene) by NaBArF4 affords the... -
Superstructures in insulating and metallic lanthanum-doped sodium cobaltate
The thermoelectric properties of NaxCoO2 can be substantially improved by replacing Na ions by cations of higher valence. Our neutron diffraction studies on SXD for doping with... -
Correlations between magnetic order and anomalous polarization changes in pyr...
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Determination of the low temperature crystal structure of Fe3O4
The aim of this proposal is to determine the crystal structure of Fe3O4 (magnetite) in its low temperature phase below the Verwey transition. Despite a considerable amount of...
