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Intrinsic defect structures in zinc oxide
Zinc oxide is an important semiconductor material used in a wide range of industrial applications, many of which require both n-type and p-type components. It can easily be... -
Magnetic structure of noncentrosymmetric CeZnAl3
The Ce-based materials CeTX3 (T=transition metal, X= Si, Ge, Al) crystallizing in the noncentrosymmetric BaNiSn3-type structure, have been found to display a wealth of novel... -
Divacancy superstructures and enhanced thermopower in NaxCayCoO2
Replacing Na ions in NaxCoO2 with divalent Ca ions results in the formation of ordered arrays of divacancy clusters, rather than the trivacancy clusters found for the pure... -
Magnetic order of multiferroic candidate: the frustrated honeycomb antiferrom...
Magnetic materials with strong spin-orbit interactions are drawing strong attention as candidates to show unusual magnetism such as quantum spin liquid stabilised by highly... -
Single-crystal analysis of disorder in deuterated and protonated mirabilite
Mirabilite (Na2SO4.10H2O) is relevant to many areas of geology, planetary science, and even the construction industry. It occurs naturally in evaporite deposits, and even as... -
The charge-ordered superstructure of YbFe2O4
There has been much recent interest in the so-called ¿novel¿ or ¿type-II¿ multiferroics, in which electrical polarisation appears at the onset of a particular type of magnetic... -
Determination of the configurational stability of organosamarium intermediate...
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Diffuse scattering study of single crystal PrBa2Cu3O7-x
Standard diffraction studies of PrBCO and YBCO show that these two compounds are isostructical. However, if any Pr/Ba disorder is present in PrBCO, the diffuse scattering signal... -
Quantum Entanglement of Neutron Spin, Path and Energy
What does a quantum particle do when you are not looking at it? For a classical moving object, like a golf ball, we know its trajectory even when we are not looking at it. This... -
Defects and spin correlations in yttrium-doped spin ice
Excitations in spin ice fractionalize into de-confined magnetic monopoles that interact with each other via the magnetic Coulomb interaction. Substituting rare earth ions with... -
Single-Crystal Neutron Diffraction Study on [U(C5Me5)2(H)(mu¿H)]2
To our knowledge, the length of the U¿H single bond has never been accurately measured, at least not in a molecular compound by single-crystal neutron diffraction. We currently... -
Single-crystal neutron diffraction studies of chain-ordered brownmillerite su...
We are performing structural investigations of a series of brownmillerites (Sr,Ca)2(Fe,Co)2O5 which display long-range modulated ordering of oxygen vacancies at ambient and high... -
Superstructures in iron-based superconductor Cs0.8Fe1.6Se2
Cs0.8Fe1.6Se2 becomes superconducting below 27K despite the presence of antiferromagnetism with a large moment of about 3.3 Bohr magnetons and an unusually high ordering... -
Investigation of the nuclear and magnetic structures of GaV4S8-ySey materials
Skyrmions, nano-sized topological objects, have recently been found in GaV4S8 and GaV4Se8 materials. In the search of new Skyrmion hosting materials, we have synthesised the... -
Ordered structures in the new Topological Insulators
We propose to investigate the structure of the new ¿ordered¿ phases within the Bi2Se3-Bi2Te3 phase diagram of the newly discovered Topological Insulators. The bulk properties of... -
Magnetic order of honeycomb antiferromagnet with the unusual magnetoelasticity
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Structural Studies of 9-methyltriptycenes
We aim at obtaining reliable structural information for selected compounds from a series of four 9-methyltripticene derivatives. These compounds form in the solid state... -
Anomalous magnetism in oxygen-deficient scandium-doped spin ice
Our previous diffuse neutron scattering experiment on SXD showed that oxygen vacancies are the dominant defects in spin ice. The substitution of tetravalent titanium by... -
Programme access Nelmes
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Martensite Variants and elastic Constants of Co-Ni-Ga Shape Memory Alloys
Pseudoelastic Co-Ni-Ga high-temperature shape memory alloys are characterized by a wide range of tunable transformation temperatures and lower processing costs compared to...