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Spin-Driven Multiferroics CdMn7O12 and SrMn7O12
We propose to perform neutron diffraction experiments on powder samples of possible spin-induced multiferroic materials, 114CdMn7O12 and SrMn7O12, at ambient pressure and low... -
The magnetic structure of LaMn7O12
Research into the quadruple perovskite manganites has expanded, owing to recent discoveries of technologically relevant properties and entirely novel electronic states. Through... -
The magnetic structures of RMn7O12 (R = Nd, Sm, Dy, Y)
Materials with the perovskite crystal structure are ubiquitous in condensed matter physics. Despite being known for several years, the quadruple perovskites, which afford... -
Magnetic structure Investigation of the quasi two dimensional corrugated laye...
Ba4Ru3O10 is a rather fascinating compound with quasi two dimensional crystal structure. Although the compound shows strong feature in the magnetization data at 105 K indicating... -
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... -
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... -
Understanding the role of lanthanides in magnetic oxyselenides: Pr2O2Fe2OSe2
This proposal requests time to investigate the influence of an applied magnetic field on the oxyselenide Pr2O2Fe2OSe2. A metamagnetic transition involving ordering of Pr3+... -
Investigation of the correlations above TN in PdCrO2
In recent years there has been a large interest in geometrically frustrated magnetic systems, especially those with spins interacting on two-dimensional triangular lattices... -
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... -
Pressure effect on high-temperature multiferroic CuO studied by a single crys...
We propose to perform neutron diffraction experiment under high pressure condition, using a single crystal of CuO on WISH beamline. This monoxide is known as a multiferroic... -
Neutron analysis of the structure of SrAl2O4 from 300 to 1273 K.
SrAl2O4 is a stuffed tridymite that has attracted a good deal of interest, since doping with Eu2+ leads to a material with elastic-luminescent response. The structure and phase... -
Understanding magnetodielectric behaviour of Tb2BaNiO5 using Neutron Diffract...
The coupling between magnetic and electric degrees of freedom, in a single phase compound has been of intense research in recent literature, as the outcome would yield novel... -
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... -
A structural study of the unusual high-pressure magnetic and superconducting ...
FeSe is structurally the simplest iron-based superconductor but one of the most intriguing electronically, with extreme tunability in its electronic and superconducting... -
Chemical control of structures and magnetic ordering of manganese oxide chalc...
We will probe the response of the magnetic and crystal structures of layered manganese oxide chalcogenides to the oxidation state and the local coordination environment of Mn.... -
Novel quantum spin liquid state in the S=3/2 dimer lattice in Ba3ZnRu2O9
We have discovered a novel type of quantum spin liquid in a hexagonal lattice of Ru5+ dimers in Ba3ZnRu2O9, where any traces of the Curie tail or glassy behavior have not been...