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Superconductivity and magnetism in iron-arsenide superconductors
The The recent discovery of superconductivity in FeAs-containing compounds (often known as the pnictides has provided a great stimulus to experiment and theory in the study of... -
Ground state selection in quantum spin ice pyrochlores
In condensed matter physics, the search for new exotic quantum ground states has become a central theme over the past few years. Among the 3D quantum spin liquid candidates, the... -
Investigation of magnetic orderings in multiferroic PbFe12O19
We propose to perform neutron diffraction experiments on a powder sample of a multiferroic hexaferrite PbFe12O19. A recent paper has reported room temperature multiferroic... -
Local structure and proton sites in proton conducting brownmillerites
This proposal requests 6 days on Tosca to investigate the nature of local structure and proton sites in the proton conducting brownmillerite system Ba2In1.85M0.15O6H2 (M = In,... -
Investigation of magnetic excitations of spin-chain oxides Sr4-xCaxMn2CoO9
The Sr(4-x)Ca(x)Mn2CoO9 compounds are geometrically frustrated transition metal (TM) oxide, which present a variety of interrelated magnetic behavior. The (Mn,Co) TM form a... -
Doping of Dion-Jacobson phases with quantum magnetic ground states
Dion-Jacobson (DJ) [layered perovskites A'[An-1BnO3n+1], where A' is an alkali cation, A is an alkaline earth or rare earth cation and B is a transition metal) have a wide range... -
Which is it? ¿ Neutrons distinguish monolayers xrays can¿t.
We have obtained the monolayer structure diffraction patterns from several iodoalkanes adsorbed on graphite, of interest in the study of non-covalent bonding. However, it is... -
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... -
Search for new hydrogen, helium and neon hydrates at high pressure
This proposal is for time to search for predicted gas hydrates at high pressure. The results will provide insight into the factors governing the stability of the H-bonded... -
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... -
Examining the properties of a water channel in an organic matrix - TOSCA
The objectives are to study the interaction of water molecules held in a channel in an organic matrix. We have structurally characterised a water tetramethylpiperididine complex... -
Study of vibron quasibound state in RAg1-xCuxAl3, 0<x<1 (R=Ce and La) through...
We propouse the study of crystal-field or vibron excitations along the series RAgxCu1-xAl3 (R=Ce and La, 0<x<1), where we expect to studing two main aspects. The first one... -
Magnetic ordering and crystal electric fields studies in the new cerium compo...
The compound CeRh2Al10 is a new member of the 1:2:10 stoichiometry series. Previously the three well-studied compounds CeT2Al10 (T=Fe, Ru, Os) were showed to be the first Kondo... -
Chemically Tailorable Frustrated Systems, Magnetic order in the J1/J1 rectan...
This proposal forms part of an exploratory study of new mixed anion coordination compounds. We have prepared a family of oxalate-fluorides, which are anticipated to have... -
Impurity substitution effect on magnetic orderings in frustrated triangular l...
We propose to perform neutron powder diffraction experiments on the frustrated triangular lattice anitferromagnet AgFe1-xAlxO2 on WISH. Recently, we have studied magnetic... -
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... -
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... -
Lattice and proton vibrational dynamics in Sc-doped BaTiO3 proton conductors
Proton conducting BaTi1-xScxO3Hx (BTS) perovskites are promising materials for proton conducting fuel cells in the intermediate temperature regime (200-600 °C). Compared to... -
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... -
Determining the interaction between water and carbon dioxide in smectite clay...
Interactions between CO2 and clay have attracted interest in the scientific community recently. This is partly motivated by the presence of large amounts of clays in caprock...
