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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... -
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... -
Powder Neutron Diffraction study on Sr3NiRuO6
Encouraged by many unconventional magnetic properties in the magnetically frustrated spin-chain compounds of the type A3MM'O6, we have recently synthesized a new member... -
Detecting an entanglement transition in a quantum magnet
Justification: We'd like to apply for three days Director’s Discretionary time on WISH to continue the experiment on measures of quantum entanglement in a model 1D magnet. This... -
The Magnetic Structure of Ba2PrMoO6
We have recently been investigating the double perovskites Ba2LnMoO6 (Ln= Nd - Tb; Y) which exhibit fascinating structural and magnetic properties. Ba2LnMoO6 with Ln = Nd-Eu... -
Dynamics within the Plastic Crystal Phases of Hydrogen Chloride
Hydrogen chloride exhibits a complex phase diagram account made of its simple molecular structure. Three crystalline phases are known to exist at ambient pressure below its... -
Pressure effect on stable and metastable structural phases in geometrically f...
Geometrically frustrated antiferromagnet LuBaCo4O7 exhibits unusual competition between two low-temperature phases with orthorhombic and monoclinic symmetry. Depending on... -
Phase Diagram of Ba1-xKxFe2As2
In the new class of iron pnictide superconductors, there is evidence of phase coexistence close to the phase boundary between the SDW and superconducting order produced by hole... -
Metaboric Acid - 3 ways
Metaboric acid "HBO2" or BOOH crystallises in three polymorphic forms - monoclinic, orthorhombic and cubic with structure features ranging from discrete units to a fully 3D... -
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... -
Local structure in defect fluorite disordered Er2Zr2O7 and pyrochlore ordered...
Cubic A2B2O7 oxides with A standing for a rare-earth element and B for a transition or main block metal have been systematically studied for their frequently exotic... -
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... -
Magnetic Structure of a New Strontium Ruthenate: Resubmission
We have recently prepared a new strontium ruthenate, SrRu2O6, using hydrothermal chemistry. The material shows magnetic order, probably ferromagnetic, than persists above, and... -
The Local Structure of Doped α - Tricalcium Phosphate
The biomaterial potential of many calcium phosphates, such as hydroxyapatites and tricalcium phosphates (Ca3(PO4)2, TCP hereafter), have led to much literature attention over... -
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,... -
A comparative IFWS study of dynamics in the photosynthetic antenna complex LH...
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Stochastic vs. Intermolecular Motions in Strongly Associated Liquids: The Cas...
Neutron scattering is a powerful technique to study stochastic motions in liquids but it requires an energy resolution well below the meV range. As a consequence, quasielastic... -
Interaction between slow dynamics of nuclear and magnetic domains in relaxor ...
Neutron experiment is carried out on relaxor magnet LuFeCoO4 to study the coupling between the slow dynamics of the dielectric and magnetic properties. At 190 K, the nuclear and... -
The Storage of Ammonia in Framework Structures: Kinetic Investigation of Ammo...
We request 4 days on VESUVIO to study atomic momentum distributions in copper-exchanged Linde Type A (LTA) and Sodalite (SOD) zeolite frameworks, into which ammonia has been...
