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Multiferroicity at high magnetic fields
CuFeO2 is a geometrically frustrated triangular lattice system. At low temperatures it shows a number of different spin orders with applied magnetic field. CuFeO2 also has a... -
Investigation of Bose-Einstein condensation of magnons through temperature-fi...
YbAl3C3 exhibits a spin gap formation due to spin dimer ground state below 10 K. In zero-field the ground state is paramagnetic and no sign of long range magnetic ordering down... -
Magnetic phase diagram of multiferroic GdMn2O5
In the last five years, we have carried out a comprehensive study of the family of REMn2O5 multiferroics by neutron and X-ray magnetic scattering, providing details about the... -
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... -
Investigation for pressure-induced ferroelectric polarization flop phenomenon...
We propose to perform neutron diffraction experiments under high-pressure on multiferroic TbMnO3 using WISH in combination with hybrid-anvil-type high-pressure device. Recently,... -
Anomalously slow magnetic relaxation in a multi-q helimagnetic phase of SrFeO3
Non-coplanar magnetic orders in metallic helimagnets have been of great interest since the discovery of a vortex-like spin-swirling object called "skyrmion" and the resulting... -
High magnetic field phase of magnetoelectric Cr2O3
Multiferroics have been highly topical in the past decade due to potential applications in, amongst others, data storage. Cr2O3 was the first linear magnetoelectric compound,... -
Investigation of bilinear magnetoelectric effect in magnetic field-induced mu...
We propose to perform a neutron diffraction experiment under magnetic fields using a single crystal sample of multiferroic alpha-NaFeO2 on WISH beamline. Recently, we have... -
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].... -
Search for magnetic Weyl semimetal in Eu3PbO
Materials with nontrivial topological properties (analogous in a general way to the familiar Moebius strip) are a hot topic in current solid state physics. In particular new... -
Neutron Diffraction study of Highly Frustrated SrEr2O4
We propose to measure the neutron diffraction pattern of a single crystal sample of SrEr2O4, using the WISH diffractometer. As the magnetic Er ions in this compound are linked... -
In-situ hydrogen decomposition studies of ammonia borane and the diammoniate ...
Ammonia borane (AB) is one of the most promising hydrogen storage materials. We have extensively studied the low temperature behaviour of this material This proposal asks for 3... -
Spin transitions in the hexagonal (6H) perovskites Ba3NdRu2O9
The hexagonal perovskites make up a large and technologically useful class of oxide materials, with applications as diverse as dielectric resonators for mobile phones and fuel... -
Investigation of Jahn-Teller assisted polaron collapse beyond the percolation...
Polaron-mediated colossal magneto-resistance (CMR) was predicted decades ago but never been experimentally established unambigously, despite the 'universal' existence of... -
On the inhomogeneous ground state of the two-dimensional frustrated antiferro...
The layered NaMnO2 is challenging as it is an experimental realization of a two-dimensional spin-2, spatially anisotropic triangular lattice, where the interplay of temperature...