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Anomalous spin diffusion in 2D percolating magnet
This proposal is to observe single-spin diffusive motion on a two-dimensional (2D) percolating network having a fractal geometry. The random walker¿s travel times on a... -
Low-Temperature Structural Phase Transitions in GeV4S8
The defect thiospinel, GeV4S8 adopts a cubic structure at room temperature (space group F-43m). We have identified a new monoclinic phase of this material at 2K, which may be... -
The role of hydrogen atoms in the ferroelectric transition of [NH4][Zn(HCOO)3].
This proposal aims at better understanding the role of the disordered NH4+ ions in driving the ferroelectric transition in [NH4][Zn(HCOO)3] and that of hydrogen bonding in... -
Unraveling the short-range magnetism in intermetallic core-shell nanoparticle...
Magnetic nanoparticles are currently being investigated comprehensively. Our ball-milled TbCu2 nanoparticles show a core-shell structure in which the core orders... -
Nature of Disorder in Relaxor-like Ferroelectric AB(HCO2)3 Frameworks
Relaxor ferroelectics are of significant interest for use as piezoelectric actuators in sensing applications and for high precision mechanical stages. Relaxors are traditionally... -
Magnetic Frustration on the Face-Centred Lattice of Ba2MnTeO6
Magnetically frustrated materials are unable to adopt the regular long-range ordered states observed in conventional insulating transition metal oxides. Instead they tend to... -
Site Dilution and Orbital Effects in Magnetically Frustrated Perovskites Ba2C...
Antiferromagnetic interactions on geometrically frustrated lattices such as the fcc lattice can result in novel magnetic states and structures. Ba2CoMoO6 is an fcc... -
QENS studies of molecular hydrogen in K-doped electrospun graphite nanofibres
The physisorptive capability of graphite-based nanomaterials for hydrogen is strongly dependent on their surface areas and nanomorphologies. We have made electrospun graphite... -
Multiferroic (Ferroelastic/Magnetic) Phase Transitions in KMnF3
KMnF3 perovskite undergoes 3 structural, and two magnetic phase transitions on cooling from 300 K to 2 K. Above 185 K the compound is in the aristotype structure, on cooling... -
Hydrogen dynamics in clay nanotubes
We will study H2 dynamics in the nanotubular clay imogolite whose structure has an external diameter of ~2.5 nm and an inner diameter of <1 nm. The tube length of synthetic... -
Electronically-driven structural transition in Ti-doped Ca3Ru2O7
The purpose of the experiment is to determine the effect of titanium doping on the structural and magnetic transitions of Ca3Ru2O7. The pure material undergoes a Néel transition... -
Exploring Structural and Spin Orders in the Quantum Spin Liquid Candidate Znx...
Quantum spin liquids (QSLs) are intriguing states of matter in which magnetic frustration and strong quantum fluctuations prevent classical long-range magnetic order. To date,... -
Unusual higher order incommensurate components in the magnetic structure of TmCu
This proposal forms a very specific part of our project to investigate complex magnetic structures in rare earth intermetallics. In extensive bulk measurements on high purity... -
High resolution neutron diffraction study to investigate quadrupolar ordering...
Recently we have investigated magnetic and quadrupolar ordered states of YbRu2Ge2 using zero-field muon spin relaxation (µSR), neutron diffraction and inelastic neutron... -
Magnetic order in the first hybrid layered fluoroperovskites
Layered perovskites are well known functional materials but, in the context of fluoride chemistry, have so far been restricted to purely inorganic examples: K2NiF4 is the... -
The Dynamics of Molecular Hydrogen in Synthetic Clays
In this proposal we aim to study the low temperature uptake and dynamics of hydrogen in the interlayer region of partially hydrated pillared clays. There are linked dual... -
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... -
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... -
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... -
Lyophilised Protein Dynamics
This dataset has no description
