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Structural characterisation of a pyrochlore solid solution in the Na2O●...
3 days on POLARIS are requested to study three pyrochlore compositions in the Na2O●Bi2O3●TiO2 system that has been reported only once in the literature, without any... -
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... -
Giant spin fluctuations and their effect on the first order magnetic transiti...
A giant enhancement of the heat capacity in La(Fe13-xSix) indicates the presence of large spin fluctuations at the paramagnetic to ferromagnetic phase transition. The nature 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... -
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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Studying of DND-PANI Nanocomposites with Neutron Spectroscopy
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Cooperative Jahn-Teller distortions in Ru4+ double perovskites
The aim of the proposed experiment is to use HRPD to follow the temperature dependence of the crystal structures of the double perovskites La2MgRuO6 and La2CoRuO6. This is of... -
ZIF-8 cooling
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Dynamics studies of water and ice in carbon nanohorns
Recent diffraction [GEM] and DINS [Vesuvio] studies of water in carbon nanohorns have suggested that there is substantial proton delocalisation along the H-bond between... -
High Temperature study of BaFe2As2
Recent unpublished data collected at MAPS by our group revealed that the spin wave dispersion of the Ba(122) parent differ significantly from Ca(122). In Ba(122) there is a... -
Further study of high pressure magnetic order and superstructure in BiNiO3 at...
Transition metal oxides make up a remarkable group of materials, exhibiting a wide variety of unusual electronic and magnetic properties. They have generated much interest, in... -
Magnetostriction in (Bi,La) orthoferrites
We have recently observed unusual magnetostrictive behaviour in Bi0.5La0.5FeO3 (BLFO), a phenomenon which is not present in either solid solution end member. This proposal seeks... -
Magnetic Excitations of Isolated and Pairs of Co Ions and in MgO
The magnetic excitations will be studied in a powdered sample of 3% CoO in 97% MgO in order to to study the excitations of isolated Co ions and of isolated pairs of Co ions.... -
Neutron Diffraction Study of a Spin-1/2 Pyrochlore Lu2Mo2O5N2
Ammonolysis of R2Mo2O7 pyrochlores gives R2Mo2O5N2 containing S = ½ Mo5+. They are excellent candidate materials for investigation of quantum spin liquid phenomena and we have... -
Impact of Jahn-Teller Distortions in Sr0.5Pr0.5MnO3
We propose to use the HRPD to establish the sequence of structures, and the nature of the transitions between these, in two complex manganites Sr0.5Pr0.5MnO3 and... -
Origin of Anomalous Thermal Expansion in Ih phase of Protonated (H2O) and Deu...
Among the all known crystalline ice phases, ice (Ih phase) exhibits anomalous thermal expansion behavior. We propose to measure phonon density of state of protonated ice (H2O)... -
Uptake of Molecular Hydrogen by High-performance Carbon Nanostructures (IRIS)
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... -
Magnetic structure of layered oxide chalcogenides: Ba2CoO2Cu2Te2 and Sr2CoO3CuSe
This is an experiment to measure the crystal structures and the thermal evolution of the magnetic structures of two new layered oxide chalcogenides. In Ba2CoO2Cu2Te2 we will...
