-
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... -
Investigation of low temperature magnetic structure in vanadium dioxide compo...
We propose a study of the low temperature magnetic structure of vanadium dioxide (VO2) compounds using long-wavelength neutron diffraction measurements. This study directly... -
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,... -
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... -
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 structure of pyrochlore irridate Y2Ir2O7
We propose to study by powder neutron diffraction the ordered magnetic state of the pyrochlore compound Y2Ir2O7. There is currently an increasing interest in the condensed... -
Stress-induced martensitic transformations in single crystal Ni2MnGa ferromag...
The Heusler alloys Ni-Mn-Ga are widely considered as a new generation of multifunctional smart materials due to the mutual interplay between structural and magnetic properties... -
Probing the magnetic structure and short-range correlations in LuFe2O4 throug...
Coexistence of magnetic ordering and ferroelectricity in multiferroic materials, especially at high temperatures, is of great technological and fundamental interest. There are... -
Crystal and magnetic structures of new layered perovskites of possible oxygen...
New layered perovskite compounds LaBaFeMnO5 and LaBaFeMnO6 were recently synthesized. They may be useful for future oxygen storage applications. Fe-Mössbauer spectroscopy has... -
Are La3Ni2NbO9 and La3Ni2TaO9 relaxor ferromagnets?
A relaxor ferroelectric exhibits a net polarisation only in an applied electric field due to the co-alignment of polar nanoregions. In La3Ni2SbO9 we found the magnetic... -
Magnetically Driven Ferroelectric Order in the 2D Antiferromagnet b-NaMnO2.
Incommensurate magnetic phases generated by frustrated magnetic exchange interactions can stabilise novel induced magnetoelectrics. We have recently found that the... -
Tuning B-B exchange in the R2MnMn(Mn4-xTix)O12 quadruple perovskite manganites
For the RMn3O6 manganites, we have shown that tuning A-B exchange, by choice of A-site cation or by doping magnetic impurities, gives rise to dramatically different magnetic... -
Temperature Effects in YIG Films Probed by PNR
Yttrium iron garnet Fe3Y5O12 (YIG) is the material of choice for spin Hall related effects, magnonics, inter alia and has been used in microwave applications for many years.... -
Doping Effects on Electronic Phase Separation in CaFe3O5
Our recent study of CaFe3O5 revealed a remarkable discovery of electronic phase separation, similar to examples widely reported in manganite perovskites. Electronic phase... -
Neutron diffraction characterization of gallium ferrite thin films
Ga2-xFexO3 (GFO) is a ferrimagnetic magnetoelectric material presenting a Curie temperature above room temperature for x>1.3. It is therefore an interesting candidate for the... -
In-situ high resolution neutron diffraction and Electric polarization measure...
The National Physical Laboratory (NPL) and the WISH instrument team has worked together to enable simultaneous real-time high resolution (powder and single crystal) neutron... -
The structure of formamidinium lead iodide between 10 and 450 K
The recently discovered hybrid lead iodide materials have captured significant attention due to their application in highly efficient solar cells. The fact that these materials... -
Fishing for a new magnetic phase in the Pr1-xCaxMnO3 manganites phase diagram
Based on old data and the recent litterature, we suspect the existence of a poorly documented low temperature magnetic phase transition (T<30K) in colossal magnetoresitve... -
High-pressure effect on the magnetic ordering in frustrated antiferromagnet C...
Test of the NIMS low temperature pressure cell on WISH. -
Spin correlations and order in titanates exhibiting spin Jahn-Teller antiferr...
The spin Jahn-Teller effect stabilises 3D magnetic order in an otherwise frustrated system via magnetoelastic coupling, spontaneously at the magnetic phase transition. Examples...
