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High resolution neutron diffraction study to investigate quadrupolar ordering...
Recently we have investigated magnetic and quadrupolar ordered states of YbRu2Ge2 using zero-field muon spin relaxation (µSR), neutron diffraction and inelastic neutron... -
Nuclear and magnetic structure determination of Pb4MnReO13 and Pb2MnReO6
Lead based oxides are wildly used in material science in order to obtain non-centrosymmetric structures that eventually lead to polar or piezoelectric distortion, which coupled... -
Verification of extended inverse Dzyloshinskii-Moriya mechanism by comparison...
We propose to perform neutron diffraction experiments on single crystals, 3R-AgFeO2 and 2H-AgFeO2 on WISH. Recently, we have studied magnetic orderings and ferroelectricity of... -
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... -
Magnetic phase diagram of the quasi-2D honeycomb antiferromagnet Na2Co2TeO6
The layered compound Na2Co2TeO6 is a model honeycomb compound having a zigzag antiferromagnetic (AFM) ground state. Na2Co2TeO6 poses a rich magnetic phase diagram in the H-T... -
Partially disordered antiferromagnet phase of CsCoX3 (X=Cl, Br)
Systems of the CsCoX3 family form antiferromagnetic chains along the c-axis, and are arranged in a frustrated triangular arrangement in the ab-plane. Below 30K, both systems... -
Pressure effect on magnetic orderings in multiferroic frustrated triangular l...
We propose to perform neutron diffraction experiments on a powder sample of the frustrated triangular lattice antiferromagnets α-NaFeO2 under high-pressure up to 18 kbar... -
Investigation of high-pressure effect on frustrated spin system of CuFeO2 usi...
We propose to perform neutron diffraction experiments under high-pressure on a frustrated antiferromagnet CuFeO2 using WISH in combination with hybrid-anvil-type high-pressure... -
Correlation of structural and magnetic properties in oxides containing 1-D ch...
Purely ferromagnetic (FM) oxides are uncommon but we recently reported FM behaviour in a mineral induced by quite small magnetic fields. This ability relates to the presence of... -
Investigation of the phase diagram of Ba1-xNaxTi2Sb2O (WISH portion)
We propose using WISH and HRPD to examine the structure of the Ba1-xNaxTi2Sb2O phase diagram as a function of temperature. The primary goals are the determination of the... -
Pressure effect on field-induced phase transitions in multiferroic CuFeO2 inv...
We propose to perform neutron diffraction experiments under high-pressure and high-magnetic-filed on multiferroic CuFeO2 using WISH in combination with hybrid-anvil-cell (up to... -
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... -
Probing the microscopic origin of polarization in the magnetoelectric R2BaCuO...
We have synthesized the polycrystalline R2BaCuO5 (R = Dy & Ho) and studied its physical properties. Indeed, both the studied compounds exhibit the polarization below rare... -
Study of Pressure Induced Ferromagnetic to Antiferromagnetic Phase Transition...
Ce-based Kondo lattice systems present exotic behavior due to the competing RKKY, Kondo and crystal field interactions. The Kondo lattice CeRuPO, crystallizing in the famous... -
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].... -
Spin, charge and orbital ordering in CaMn4O8
Manganites oxides are of great interest in material sciences for the variety of physical properties they exhibit in connexion with possible long range spin, charge and orbital... -
Neutron scattering studies of novel multiferroic materials
This project lies on the study of multiferroic materials in which both electric dipole order and magnetic order coexist. These materials are of the potential for new technology... -
Probing the magnetic structure of transition metal pyrovanadates M2V2O7 (M = ...
Transition metal pyrovanadate M2V2O7 (M = Ni, Co, Mn) exist with a great variety of crystal structures, which are reflected in the richness of their physical properties.... -
Magnetic phase diagram of single crystal multiferroic NaFeGe2O6
Multiferroics of spin origin, for which magnetic long-range order and electric polarization occur simultaneously, have attracted considerable interest. The strong coupling...