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Local Structure Study of Nanosized High Nickel-Content Li-ion Cathode Materials
Li ion batteries currently use LiCoO2 based materials as the cathode. The cost and scarcity of cobalt have driven a search for alternative materials and a leading candidate... -
ZIF-8 cooling
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The use of INS to characterise prototype methane reforming catalysts over a r...
Previous work by the experimental team has successfully examined methane reforming catalysts using CO2 as the oxidant. Unfortunately, the progression to using steam as the... -
Competition between C-H---O hydrogen bonds and C=O----Br halogen bonds
Our main objective in this proposal is to study the competition between halogen and hydrogen bonding as a function of temperature in the complex (CH3)2C=O--- Br2. The results of... -
In-situ High Temperature Studies of BiFeO3 in a Stabilising Oxygen Atmosphere
The drive to find novel materials for applications such as data storage has led to a resurgence in research into multiferroic materials. Bismuth ferrite is the most widely... -
The coupling of spin and charge correlations in La2-xSrxCuO4
Charge density wave (CDW) order has recently been established as a generic feature of high-temperature cuprate superconductors. It occurs near 1/8 doping and has been observed... -
Structural Studies of PbZr1-xTixO3: completing the puzzle in the tetragonal a...
We request 6 days of HRPD time in order to study the structures on the tetragonal side of the lead zirconate-titanate (PZT) phase diagram, a region that has so far been rather... -
Neutron Diffraction Study of a Spin-1/2 Pyrochlore Lu2Mo2O5N2
Ammonolysis of R2Mo2O7 pyrochlores gives R2Mo2O5N2 containing S = ½ Mo5+. They are excellent candidate materials for investigation of quantum spin liquid phenomena and we have... -
Impact of Jahn-Teller Distortions in Sr0.5Pr0.5MnO3
We propose to use the HRPD to establish the sequence of structures, and the nature of the transitions between these, in two complex manganites Sr0.5Pr0.5MnO3 and... -
Probing the interaction of hydrogen with supported gold nanoparticles
Small gold nanoparticles (1-5 nm) supported on metal oxides are extremely active catalysts for C-C coupling, aerobic oxidations and selective hydrogenations. The interaction of... -
Violation of y-scaling in D2 ¿ Test of existing theories
The applicants aim to perform the most authoritative measurements of NCS profiles by controlling and precisely quantifying everything to do with the sample. In July 2008 we... -
Programme Access Rosseinsky
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Phase Separation and Jahn Teller Distortion in Molybdate Perovskites
Two days of beamtime on HRPD will be used to examine a family of double perovskites Sr2YbMO6 that are isostructural at room temperature. When M = Mo5+ the monoclinic perovskite... -
Uptake of Molecular Hydrogen by High-performance Carbon Nanostructures (IRIS)
High sorption capacities and enhanced interaction strengths are the two most fundamental prerequisites for the deployment of carbon-based materials as hydrogen-storage media. In... -
Magnetic structure of layered oxide chalcogenides: Ba2CoO2Cu2Te2 and Sr2CoO3CuSe
This is an experiment to measure the crystal structures and the thermal evolution of the magnetic structures of two new layered oxide chalcogenides. In Ba2CoO2Cu2Te2 we will... -
Structural strudy of deuterated acetone
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Investigation of Ho ordering and its role in magnetization compensation in ga...
The garnet system Ho3Fe5O12 (HIG), which is ferrimagnet below 567 K, shows magnetization compensation phenomenon at 138 K (Tcomp) and another magnetic transition around 55 K... -
Excitation Spectrum of the Topological Spin Order in SrFeO3
Spin dynamics in multi-q noncoplanar ordered structures (e.g. skyrmion lattices) is an active topic of research. The cubic perovskite SrFeO3 has a variety of multiple-q magnetic... -
Thermal expansion of kyanite, andalusite and sillimanite
Al2SiO5 forms three naturally-occurring polymorphs, kyanite, andalusite and sillimanite. These minerals are produced by varying degrees of metamorphism of sedimentary rocks, the... -
Novel proton environments in geologically important hydrous silicates
Hydrous chain silicates (amphiboles) are central to understanding many geological processes in the Earth¿s Crust, Upper Mantle and Transition Zone, where they influence melting,...