-
The magnetic structure of Au5.027Si1.307Tb, a quasicrystal approximant with m...
The aim of the present proposal is to experimentally investigate the magnetic order below Tc in the cubic quasicrystal approximant Au5.027Si1.307Tb, which orders ferro- or... -
Neutron diffraction study of some Mn-Ni-Ge based magnetic equiatomic alloys
Magnetic equiatomic alloys (MEAs) of the general formula MM'X (M, M' = transition metals, X = Si, Ge, Sn) undergo magnetostructural transition of martensitic type on cooling... -
Giant exchange bias in antiperovskite Mn3Zn1-XCoXN: a neutron diffraction study
Exchange bias (EB) effect, characterized by a shift of the hysteresis loop along the magnetic field axis, has attracted considerable attention because of its significance in... -
In-situ study of mechanism for magnetovolume effect in Cr-Fe alloys
Negative thermal expansion (NTE) materials, the volume of a material abnormally contract with the increase of temperature, is closed related to the magnetovolume effect (MVE) in... -
Investigation of antiferromagnetic long-range interactions in Co-based Heusle...
Ni-Mn based Heusler alloys with composition related to the stoichiometry Ni2MnX, with X belonging to the IIIA-VA chemical species, are widely considered as a class of... -
Study of Magnetic Phase Transitions in BaFe12O19
Hexaferrites are well known for their applications as permanent magnet and memory devices. In recent years, the interest in hexaferrite has grown from the point of view of... -
Crystal and Magnetic Structures of Multiferroic Ammonium Formates NH4M(HCO2)3...
The NH4M(formate)3 (M = Mn, Fe, Co and Ni) series are the most promising members of a new family of multiferroics in which ferroelectric ordering is driven by hydrogen-bonding... -
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... -
High-pressure effect on the magnetic ordering in frustrated antiferromagnet C...
Test of the NIMS low temperature pressure cell on WISH. -
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... -
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... -
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... -
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... -
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... -
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.... -
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... -
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... -
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... -
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... -
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...
