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Ferroelectric transitions in potentially multiferroic Mn-formate frameworks
The perovskite-like family of ammonium formate frameworks AB(HCO2)3, where A is a divalent metal ion and B is an (alkyl)ammonium or guanadinium, is of great interest for its... -
Local structure study of the order/disorder ferroelectric transition in [ND4]...
We will carry out a definitive local structure investigation of the ferroelectric transition in [ND4][Zn(DCOO)3]. This compound is seen as the canonical example of a... -
Condensed Spin Waves in the Rock Salt Metal Oxides
The late first row transition metal monoxides are the canonical antiferromagnets. Their magnetic structures were first determined many decades ago but contemporary studies have... -
Probing the Effect of Applied Field on Magnetocaloric TbOHCO3
There is a growing need to reduce dependence on liquid He for cooling applications below 20 K. Magnetocalorics, which exhibit an entropically driven cooling effect in a cycled... -
Magneto-orbital coupling in PbMn7-xFexO12
The interplay between orbital order and magnetism in insulating manganites has been extensively studied following the seminal neutron diffraction experiments of Wollan and... -
Neutron diffraction study of the buckled kagome-lattice Cu3R(SeO3)2O2Cl (R=Yb...
The experimental realization of a S=1/2 kagome lattice has been one of the holy grail of frustrated magnetism because when all antiferromagnetic exchanges cannot be satisfied, a... -
Crystal and Magnetic Structures of Unusually High Valence Fe Materials
Highly oxidized iron oxides such as SrFe4+O3, CaFe4+O3, and CaCu3Fe4O12 display unusual electronic and magnetic behaviors due to the highly covalent nature of the Fe-O... -
Magnetoelastic Coupling and for Competing Ground States in (Ba1-xAx)Fe2As2 (A...
Unconventional superconductivity has recently been suggested in the new class of iron-based superconductors in which unusual gap symmetries have been observed together with... -
Ground and field induced states in the BaCo2As2O7 and BaCo2(As3O6)2 1D chain ...
One-dimensional (1D) or two-dimensional (2D) topologies between magnetic ions generally favour strong magnetic anisotropy and offer exotic fundamental states and other phenomena... -
Magnetic order in a three-dimensional honeycomb iridate
Oxides of 5d elements such as Ir and Os have been attracting much attention as candidates to realize novel types of electronic ground states stabilized by the strong spin orbit... -
Magnetic ordering in the layered oxide arsenide Sr2Cr3As2O3
This experiment will probe the evolution of magnetic ordering in Sr2Cr3As2O3, a compound containing Cr3+ moments in Cr2O square layers and Cr2+ moments in CrO2 layers. We will... -
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... -
Diffraction paten of a Heisenberg-Kitaev Quantum Spin Liquid candidate Li2RhO3
We propose to continuous our investigation of the magnetic diffraction pattern of the potential Kitaev spin liquid compound Li2RhO3. Moderate spin orbit coupling in the Rh4+ ion... -
Crystal and magnetic structure of new 2D honeycomb iridates
2D honeycomb iridates recently emerged as a possible platform for new class of spin liquid, the Kitaev spin liquid. The candidate materials A2IrO3 (A = Li, Na) in fact undergo... -
Structure and magnetic order of the diamond-kagome planar compound Cu2OSO4
Materials with antiferromagnetic interactions between spins on a triangle lattice inherently exhibit large frustration between similar energy ground states giving rise to novel... -
Magnetic ordering in the layered honeycomb alpha-RuCl3
This proposal is part of our research programme to explore novel phases stabilized by the combined effect of spin-orbit interaction and electron correlations. Here we aim to... -
Time dependent magnetic structure of Sr3NiIrO6
We have reported magnetic structure of Sr3NiIrO6, which gives two possible solutions. Our theory shows that reported magnetic structure is not ground state magnetic structure.... -
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... -
Spin Order in NiV2O6
One-dimensional magnetic materials have been widely studied due to their often remarkable ground states and excitations. Recent study of the triclinic form of CoV2O6 brannerite... -
Investigation for large magnetic field enhancement of pressure induced-ferroe...
We propose to perform neutron diffraction experiments under high-pressure and magnetic field condition for multiferroic DyMnO3, using WISH beamline in combination with...