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Stochastic Cation Dynamics in Photovoltaic Hybrid Perovskites under Pressure
Methylammonium lead iodide (MAPI) is one the most promising materials for photovoltaics. Notwithstanding the above, access to its phase diagram and the underlying structural... -
Dynamics of Ethylene Glycol based Deep Eutectic Solvents: Effect of Cations
Deep eutectic solvents (DES) formed from a mixture of hydrogen-bond donors and metal salts, is a novel variety of solvents that have been synthesized and studied extensively. In... -
Comparison of Dynamical Behaviour in MAPbX3 and FAPbX3: How Do They Differ ?
Organic-inorganic lead halide perovskite compounds are shown to be very promising candidates for low cost, solution-processable, highly efficient (>22%) solar cells with a... -
Investigating the magnetic structure of the solid solution PrCr(1-x)MnxO3
Rare-earth (A= La, Ce, Nd, Pr) orthochromites (A CrO3) and orthomanganites (A MnO3) are of interest due to the number of unusual physical properties they possess, displaying... -
Quenched salt hydrates new ways of probing water clusters.
Very rapid quenching of liquids to form a glass, from which crystalline phases are subsequently obtained by devitrification, is a powerful technique for obtaining novel... -
Alkali ions dependent collective excitations in borate glasses
Recently, it has been suggested that the First Sharp Diffraction Peak (FSDP) in glasses arises from a quasi-periodicity of void spaces in the structure, that plays the role of... -
Water Binding and Solvent Dynamics in Natural Deep Eutectic Solvents
Deep Eutectic Solvents (DES) are molecular mixtures similar to ionic liquids, having melting points below room temperature. However instead of being composed of a salt, the... -
The search for long range exchange interactions in the S=1 square lattice ant...
Exchange interactions in insulators can be understood in terms of the Andersen exchange picture in which the Hamiltonian has two contributions: (i) a kinetic term characterized... -
Corona Dynamics in Polymer Stabilised Nanocomposites
The Payne effect, whereby filled polymers experience a loss of modulus under applied strain is responsible for much of the energy loss of vehicle tyres in everyday use. It has... -
Hydrogen bonding in monoclinic jarosites
Jarosite minerals are of great importance to a range of mineral processing and research applications, as well as significant to the understanding of the environmental history of... -
Incommensurate magnetic fluctuation in KFe2As2
The debate whether interband or intraband scattering is crucial for Fe-based superconductors is not settled down yet. Investigation a system with completely missing electron... -
Studying the vibrational dynamics of water on reduced graphene oxide
Reduced graphene oxide (rGO), as one of graphene-based materials, is prepared by reducing oxygen functional groups on graphene oxide (GO) via either thermal or chemical... -
Polymorphism and structure-property relations in 12H-type perovskite (Ba,La)1...
We request one day of beam-time on POLARIS to collect Neutron Diffraction (ND) data from three novel 12H-type hexagonal perovskites that exhibit higher than expected... -
Continued studies of materials in the BiFeO3-KNbO3 solid solution
In recent years there has been a resurgence in research dedicated to ferroelectric materials primarily due to the combination of the requirement for Pb-free replacements for... -
Transport properties of sodium ions in novel electrochemical storage systems
The electrochemical energy storage and conversion devices are the key components in future?s smart energy grids enabling on-demand and efficient energy usage. To date, flow,... -
Structural Investigations of Mixed-anion Argyrodites
Argyrodites exhibit promising thermoelectric (TE) properties but a structural transition causes cracking of ingots on cooling to ambient temperature, introducing problems for... -
A comparative IFWS study of dynamics in the photosynthetic antenna complex LH...
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Complete data set of different hydrations levels of alpha-Lactalbumin
Zaccai et al. proposed to build up a neutron Dynamics Data Bank which would be populated with dynamical data of biological macromolecules measured with different techniques,... -
Study of frustration and the anomalous Hall effect in Fe3Sn2
We have found unusual and promising Hall effect behaviour in the alloy Fe3Sn2 at 300K. Fe3Sn2 is predominantly ferromagnetic, however, our neutron diffraction data indicate that... -
Investigating proximity effect in tunneling geometry across STO insulator in ...
Intense research activity is underway to understand the interaction between ferromagnetic (FM) and superconducting (SC) layers in oxide FM/SC multilayers, where FM and SC layers...
