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On the inhomogeneous ground state of the two-dimensional frustrated antiferro...
The layered NaMnO2 is challenging as it is an experimental realization of a two-dimensional spin-2, spatially anisotropic triangular lattice, where the interplay of temperature... -
Magnetic structure of the doped room temperature honeycomb magnet (SrCa)Ru2O6
We propose the investigation of the magnetic structure in the room temperature magnet SrRu2O6 and its doped variants. Crystallizing in the honeycomb structure, these systems are... -
Local structure variation of polar nano-regions in ultrahigh piezoelectric re...
Relaxor ferroelectrics are a class of locally disordered crystals possessing peculiar structure and electrical properties. The solid solution of a relaxor perovskite and PbTiO3... -
Investigation of crystal and magnetic structures of three polymorphs of Fe2WO...
Iron tungstate Fe2WO6 attracts increasing interest in two areas of applications due to its photoelectrochemical behaviour. Fe2WO6 can act either as a photocatalyst for... -
Magnetic ordering in CaFe3O5 and CaFe5O7
This proposal is to explore the evolution of magnetic ordering in two members of the homologous series CaFe2O4(FeO)n with n = 1, & 3, and to correlation the behaviour of the... -
Magnetic order in the quantum critical phase of Sr3Ru2O7
Many novel electronic ground states form in close proximity to quantum critical points (QCPs), that is, the point where a continuous phase transition occurs at zero temperature.... -
Unusual polymorphism in sodalites
We have recently observed extraordinary polymorphism on cooling various sodalites under vacuum. Materials undergo a phase transition followed by a fully reversible... -
Characterisation of Spin density Wave phase in Na2Ti2(Sb,As)2O
The formation of charge and spin density wave (CDW and SDW) states in metallic systems isdriven by Fermi surface instabilities that are often found to compete with... -
Magnetic structure and multiferroicity in metal-formate perovskites
The family of guanadinium metal formates (M=Mn, Fe, Co, Ni, Cu) are isostructural with the perovskites and are therefore of interest for potential applications: in particular,... -
Determination of the bulk antiferromagnetic structure of monodomain (001) BiF...
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Magnetic structures of antiferromagnetic heavy fermion CeAuAl3 and CeCuAl3 co...
CeAuAl3 and CeCuAl3 compounds crystallize in the tetragonal I4mm, BaNiSn3-type and display interesting bulk properties. Here we propose to investigate the magnetic structures of... -
Local structures and dynamics of new functional oxides
The melilite family are new xoide ion conductors with high mobility at low temperatures. Average structures suggest that the ability of the structure to accomodate high levels... -
Electric field effects on the spin correlation length in multiferroic delafos...
In a previous WISH experiment, we have succeeded in determining the incommensurate cycloidal magnetic structure of AgFeO2, which induces a ferroelectric polarization[1].... -
Determination of the magnetic structure in the coupled trimer spin system Ba4...
When isolated spin clusters are weakly coupled to each other, zero-dimensional quantum and three-dimensional collective magnetism concomitantly occur. This is envisioned in the... -
Polymorphism of metastable multiferroic perovskites in the BiFe1-xScxO3 system
Metastable multiferroic perovskites of the BiFe1-xScxO3 system, stabilised by high-pressure and high-temperature synthesis, demonstrate irreversible phase transformations upon... -
Magnetic ordering in the layered oxide arsenides Sr2CrO2Fe2As2 and Sr2CrO2Co2As2
This proposal is to probe the structure and magnetic ordering in Sr2CrO2Fe2As2 and Sr2CrO2Co2As2, in order to complete a description of trends in the Cr sublattice magnetic... -
Investigations of the magnetic structure in the isotropic S = 1 kagome antife...
Exotic electronic states are of great interest to fundamental science, such as the quantum spin-liquids (QSLs) which were theorised to behave like a sea of resonating spin... -
Spin-Lattice coupling in Frustrated Triangular Lattice Antiferromagnet AFeO2 ...
In this proposal, we would like to propose to perform neutron diffraction experiments on the powder samples of the frustrated antiferromagnets AFeO2 (A=Cu and Ag) using WISH. In... -
Short and long-ranged magnetic order in the new isotropic S = 1/2 kagome ferr...
Exotic electronic states are of great interest to fundamental science, such as the quantum spin-liquids (QSLs) which were theorised to behave like a sea of resonating spin... -
Investigations of some ruthenates with extended superexchange pathways
The superexchange interaction - in which the intervening oxygen mediates magnetism between two partially filled d shells- is well described by the semi-empirical...