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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... -
magnetic structure and step-like magnetization in Ca3Co2O6: a neutron diffrac...
Pure Ca3Co2O6 is a model system of ferromagnetic Ising chains arranged antiferromagnetically on a triangular net. Furthermore this system has aroused great interest because at... -
Phase Behaviour in Pyrazine and Tetramethylpyrazine.
Pyrazine-I is stable < 302 K, phase II exists from 302-310 K, and phase III from 310-324 K. The known phase-I forms an ordered structure. It is thought that structures of... -
Magnetic Excitations in Magnetic Molecule {Mo214V30}
We propose to conduct inelastic neutron scattering (INS) measurements on deuterated polycrystalline samples of the magnetic molecule {Mo214V30}, to determine the low-lying... -
How is the nanoscale structure of Amorphous Solid Water (ASW) impacted by the...
This experiment will determine how the structure and porosity of Amorphous Solid Water (ASW) changes when the ice is contaminated by adsorbate molecules. ASW is a porous... -
Two-Dimensional Triangular Mott Insulator
The 1T polytype of the transition-metal dichalchogenide TaS2 is a system with a very rich phase diagram. Upon cooling down, the crystal goes through a series of charge density... -
What processes dominate porosity and structure evolution in Amorphous Solid W...
This experiment will measure the microstructure of Amorphous Solid Water (ASW), a porous material that can be formed by vapour-depositing water onto a cold plate, an excellent... -
Mechanical disorder-induced quantum spin liquid in a two-dimensional triangul...
The quantum spin liquid (QSL) state is one of the possible outcomes of quantum fluctuations advancing magnetic systems into a disordered phase. After more than 30 years of quest... -
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... -
Magnetic Proximity Effects in Ferromagnetic-Superconducting Spin Valves
The recent experimental verification of the unique odd-frequency spin triplet superconductivity in artificial thin film ferromagnetic-superconducting structures is likely to... -
Magnetic correlation length measurements in Fe/Si multilayers using spin echo...
We wish to investigate the magnetic structure of a series of magnetic multilayers using a new technique we have successfully implemented called Spin Echo Modulated Small Angle... -
Partial freezing of a Kagome Magnet
Ever since the first published consideration of the ground state of a triangular lattice of Ising spins by PW Andersen in the 50's, the pursuit of materials with geometrically... -
High resolution neutron powder diffraction on Ni-Mn-Sn based shape memory all...
The composition Ni2.04Mn1.4Sn0.56 belongs to the group of metamagnetic shape memory alloys and it shows multiple magnetic phases as a function of temperature. In a recent muon... -
Unique disorder in the ammonia hydrates at high pressure
The ammonia hydrates are important systems for the understanding of the hydrogen bond and for models of the outer solar system. This proposal is for beamtime to explore the... -
What really governs porosity in Amorphous Solid Water (ASW)?
This experiment will establish the structural changes that occur in Amorphous Solid Water (ASW), a porous material that can be formed by vapour-depositing water onto a cold... -
Methane hydrate formation in the presence of graphene oxide
In this proposal we wish to study in situ formation of methane hydrates in the presence of graphene oxide. The aim of this research is to enable us to understand how different... -
Amorphous Micrometre-Sized Water Ice Particles for Planetary Science Experime...
We request 5 days on NIMROD to characterise the pressure and temperature dependent properties of amorphous icy particles generated in liquid ethane, as they will be used in... -
Oriented antibody binding layers
The proposal concerns the assembly of high density antibody binding surfaces to increase the sensitivity of medical diagnostics. Previously we showed that antibody binding... -
Encapsulation of Hydrophobic Species in Surfactant Micelles
Our recent work demonstrates that the details of water structure around micelles are now accessible using Empirical Potential Structure Refinement methods combined with neutron... -
Methane hydrate formation in the presence of clay minerals
We will study the formation of methane hydrates in situ in the presence of swelling clays. The aim is to understand and control heterogeneous hydrate nucleation at this...
