-
Complex spin orders in Ni2-xCoxScSbO6
Cation-ordered variants of the M2O3 corundum structure are of interest as polar magnets with potential multiferroic properties, e.g. Ni3TeO6 (NTO). Recently we reported that... -
Crystal and Magnetic Structures of Topochemically Oxidised A-site Ordered Mat...
The control of physical properties through cation ordering in perovskites often gives rise to unexpected and desirable functionality. Of particular interest in the preparation... -
Crystal and Magnetic structure of CoFe3O5
A recent exciting development in magnetic materials was the discovery of a new iron oxide, Fe4O5, using high temperature and high pressure. A very recent structural study has... -
Magnetic structures of the high pressure CaMnMReO6 (M = Co, Ni) double double...
ABO3 perovskites are of interest due to their large variety of electronic and magnetic properties. Under high pressure and high temperature conditions, we have recently found a... -
Exploring magnetic correlations in a new S=1/2 kagome antiferromagnet
The combination of strong magnetic frustration and low spin found in the S=1/2 quantum antiferromagnet is believed to lead to non-classical magnetic behaviour, and in particular... -
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... -
Magnetism and structural diffuse scattering in α-CoV3O8:
We propose to measure the magnetic structure and diffuse scattering in a Vanadium Bronze material α-CoV3O8. These materials are of interest due to possible applications for... -
Variable temperature study of frustrated magetism in Lu2Mo2O5N2
Geometrically frustrated S= 1/2 magnets are of great interest as they do not show classical long range magnetic order at low temperatures and can adopt exotic quantum spin... -
High-pressure neutron diffraction studies of valence transitions in ACu3Fe4O12
Two new A-site ordered perovskite structure oxides, CaCu3Fe4O12 and LaCu3Fe4O12, were recently synthesized under high-pressure and high-temperature conditions in Kyoto. These... -
Crystal and magnetic structures of polar Co2ScSbO6 oxides
Polar A2BSbO6 oxides with the Ni3TeO6 structure type (space group R3) are being investigated as possible ferroelectrics. Ni2ScSbO6 is reported to have incommensurate helical... -
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... -
High pressure charge and magnetic transitions in PbCrO3
The high pressure perovskite PbCrO3 has been known since the 1960s but the electronic properties were controversial. The average structure is a cubic Pm-3m perovskite but a... -
Crystal and magnetic structures of Pb2-xBixMnO4
Manganese based oxides are of great interest for both spintronic and multiferroic applications.Pb2MnO4 crystallizes in the acentric but non-polar space group P-421c which... -
Correlated O/N orders in melilite phosphors
Red or yellow phosphors excited by a blue light-emitting diode (LED) are an efficient source of white light for everyday applications. Melilite type Y2Si3O3N4:Ce3+ is a phosphor... -
Spin crossover and low temperature spin dynamics in In2VO5
The one dimensional material In2VO5 contains frustrated zigzag chains of corner sharing V 4+ (S = 1/2) square based pyramids interspersed with sheets of edge sharing InO6... -
Crystal and magnetic structures of new ruthenate perovskites
Ruthenate perovskites have a diverse range of electronic properties originating from electron-electron correlations within broad 4d bands. We have recently investigated the high... -
An Investigation on the Effects of B-site disorder on the well-isolated non-K...
Although stuffing in the quantum spin ice (QSI) Yb2Ti2O7 has been shown to play a vital role inthe selection of a ground state, the only study to address such disorder was... -
Structural study of BiNiO3 at high pressures and low temperatures
BiNiO3, synthesized at high pressure, has the unusual charge distribution Bi3+0.5Bi5+0.5Ni2+O3 with ordering of Bi3+ and Bi5+ charges on the A sites of a highly distorted... -
Crystal and magnetic structures of EuWO1+xN2-x
Eu2+ d0- transition metal perovskites are of interest as potential multiferroics when undoped, or as CMR materials. EuWO1+xN2-x is a new magnetoresistive material and exists... -
MuSR Study of Magnetically Frustrated Lu2Mo2(O,N)7 pyrochlores
The combination of magnetic frustration and low magnetic moment leads to non-classical magnetic behaviour such as spin liquid states. We have prepared polycrystalline samples of...
