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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... -
Investigation of the Dynamic Mechanism of Xylanase by QENS
In this proposal we will pioneer the use of QENS in combination with molecular biology mutagenesis and in silico design to guide the re-engineering of a glycoside hydrolase,... -
Understanding the magnetic phase diagram in capped MnSi thin films
Skyrmions are a topologically non-trivial magnetisation pattern that form in crystal structures whose broken inversion symmetry gives rise to the Dzyaloshinsky-Moriya... -
Unravelling spin fluctuation components in a stripe-ordered cuprate
In previous experiments at ILL we observed a gap in the magnetic excitation spectrum of the stripe-ordered superconductor (La,Nd)2-xSrxCuO4, x=0.12. We observed a spin gap of... -
Magnetic excitations in La1.2Sr0.8NiO4 and LaSrNiO4
The recent exciting observations in the magnetic excitation spectra of cobalt oxides that are isostructural to the prototypical high-temperature superconducting cuprates have... -
Water dynamics in dental zinc cement by quasi-elastic neutron scattering
Zinc phosphate cements (ZPCs) are used in dentistry. Cement formulation (liquid+solid) is largely empirical because of lack of information on the exact chemical nature of the... -
Hydrogen interactions in framework materials : part deux
Hydrogen binding to coordinatively unsaturated metal sites (CUMCs) in metal-organic frameworks (MOFs) has been extensively studied in our group using neutron powder diffraction... -
Water diffusion mechanism in hydrated amorphous calcium carbonate
Calcium carbonates are highly important in geochemistry and especially in biomineralization. In nature, organisms can form each of the anhydrous polymorphs selectively for... -
Inelastic Neutron Scattering study on new tetragonal compound Ce2PdGe3
Cerium-based Kondo lattice compounds have received great attention, owing mostly to the variety of exotic ground states that they exhibit (e.g., unconventional... -
Electron localisation in vanadium hollandites
Hollandites (AxM8O16, where A is a large cation and M is a transition metal, here vanadium) have been studied for a wide range of properties, including electronic phenomena such... -
Vibrational property analysis of NH4BH4 using inelastic neutron scattering
The proposed experiment at ISIS aims at the characterization of the vibrational properties of ammonium borohydride, NH4BH4, which possess the highest gravimetric H density (~25... -
Structural phase diagram of hydrated silks
The formation of silk fibres in both spiders and silkworms is characterized by a conversion of short range ordered structures in solution into long range ordered beta-sheet rich... -
Testing effectiveness of new oscillating radial collimator on Merlin using Mn...
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Thermal expansion and ordering in D2O ice III / IX
The high-pressure form of solid water, ice III, is the equilibrium phase in contact with liquid water at pressures from about 2.0 - 3.5 kbar. Consequently, its properties are... -
Magnetic fluctuations at the QCP of Mn1-xFexFe
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Probing possible Dirac magnons in collinear antiferromagnets
Topological state of matter remains one of the central topics in condensed matter physics since decades ago. Take graphene as an example, the electron bands are linear and... -
Kondo temperature of YbInCu4 as function of pressure and substitution
Via chi¿¿(Q,E) we aim to investigate the dependence of the Kondo temperature TK of YbInCu4 on external pressure and substitution. YbInCu4 undergoes a first-order isostructural... -
Neutron Diffraction studies of skyrmionic A phase and spin fluctuations in fl...
The study of skyrmion (magnetic vortex) lattice formation below ~30 K in chiral magnet MnSi has gotten very good attention in the recent times. Few of the key questions concerns... -
Hydrogen Uptake by Pillared Graphite Oxides
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... -
Does Na2Co2TeO6 realize the Kitaev model?
Preliminary data on the spin excitation spectrum of the honeycomb lattice compound Na2Co2TeO6 are consistent with the existence of Kitaev interactions, as was recently proposed...
