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Single Crystal Investigations of Polymorphism and Disorder in CH3NH3PbI3
Photovoltaics are one of the most promising technologies for meeting future energy requirements. CH3NH3PbI3 was first used in a solar cell in 2009, which gave an efficiency of... -
Uridine 5¿-monophosphate potassium salt [K(UMP)] single-crystal neutron diffr...
To perform charge density studies for a series of uridine 5¿-monophosphate potassium salts which differ one from another due to the different amount of potassium atoms and water... -
High Pressure Neutron Diffraction Study of the Organic-Inorganic Perovskite P...
The organic-inorganic perovsike (OIP) methylammonium lead iodide, MAPbI3, has been identified as a promising candidate for the development of efficient solid-state solar cells.... -
Phonons from diffraction and normal mode analysis in HMT
With the overall aim of extending the information derivable in a neutron single crystal diffraction experiment beyond the static structure, we are proposing to perform a... -
Vibrational frequencies of light-induced photoisomers for optical data storag...
Ruthenium-based SO2 complexes present attractive prospects for next-generation 3-D optical data storage. Light is absorbed by the SO2 group, causing its dark state geometry (0)... -
Two-Dimensional Incommensurate Modulation in Melilite
We have prepared large single crystals of the melilite electroltyes Ln1+xCaxGa3O7+d; (Ln = La and Nd; x = 0 and 0.5) using a floating zone mirror furnace. We have characterised... -
Structural studies of iridium hydrides
Oil is currently the primary raw material for all the carbon containing chemicals we take for granted and which are necessary for our modern life: pharmaceuticals, plastics,... -
Charge and magnetic order in an overdoped manganite
Perovskite manganites exhibit a plethora of competing phases that can be tuned with modest changes in external parameters such as temperature, magnetic field, pressure or... -
diffuse scattering in PMN-PT crystals
Complex mixed-ion pervoskites, ferroelectric material (1-x)Pb(Mg1/3Nb2/3)O3-xPbTiO3, attract plenty of applications due to high piezoelectric response. The difficulties result... -
The influence of hydrogen bonding on the melting points of sulfonate-based pr...
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CPRO#1 T=300K wtl=10.0 j:14,14
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Combined neutron and X-ray single-crystal diffraction studies of selected 2-p...
Hydrozones and their metal complexes exhibit subtle redistribution of electron density as a function of substitution, type of the metal center and intermolecular interactions.... -
A combination study of the antiferromagnetism and diffusive magnetic scatteri...
As far as we know there is no single crystal neutron study on ErPr_2Si_2 yet, mainly due to fabrication difficulties. We have grown large (diameter: 6 mm; length: 8 mm) single... -
Pressure Effects on Proton Migration 3,5-pyridinedicarboxylic Acid
Hydrogen bonds are ubiquitous in materials across the chemical spectrum, from inorganic to biological. They influence the structure, the functionality, and therefore the... -
Anharmonic thermal motion of hydrogen atom(s)
This is a feasibility study of a possible influence of anharmonic thermal motion of hydrogen atom(s) on quantitative electron density distributions in single crystals of model... -
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... -
Single Crystal Scattering Study of 163-Dy2Ti2O7 Using SXD
Spin ice materials are a class of compounds with exotic magnetic properties, resulting from the frustration. Magnetic monopoles have been detected at low temperature; manifest... -
Single-crystal neutron diffraction studies of chain-ordered brownmillerite su...
We are performing structural investigations of a series of brownmillerites (Sr,Ca)2(Fe,Co)2O5 which display long-range modulated ordering of oxygen vacancies at ambient and high... -
Determination of the Crystallographic and Magnetic structures of RbMnBr3, RbF...
We propose to study the crystal structures of RbMnBr3, RbFeBr3 and RbNiBr3 between 300 and 0.3 K. RbMnBr3 under goes two structural phase transition by reducing Rb coordination.... -
Structural characterization of a fully detuterated manganese Prussian Blue an...
The aim of this proposal is to perform a neutron diffraction determination of the first perdeuterated Mn-Prussian Blue (PB) analogue of composition: Mn(II)3 [Mn(III)(CN)6]2...
