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Dirac Nodal Line Magnons in a Stacked Honeycomb Magnet
On the basis of exchange couplings obtained from early inelastic neutron measurements, we conjecture that the stacked honeycomb magnet FeTiO3 contains Dirac nodal lines in the... -
Quantum renormalisation of spin waves in a square lattice antiferromagnet
The two dimensional Heisenberg antiferromagnet on a square lattice is one of the most studied model in quantum magnetism . This is in part due to its intrinsic interest but also... -
CaF2 for LET resolution
This dataset has no description
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Investigation of magnetic ordering in a new spin liquid candidate
PbCuTe2O6 consists of a 3-dimensional arrangement of spin-1/2 Cu2+ ions coupled by 3 interactions. The 1st neighbor interaction couples Cu2+ into isolated triangles, 2nd nearest... -
Magnetic critical scattering in UGe2 under pressure
The proposal is to measure the low-energy spin dynamics of the ferromagnetic superconductor UGe2 at the pressure which maximizes superconducting transition temperature and at... -
Spin structure determination of novel copper based A2CuB''O6 double perovskites
The A2B¿B¿¿O6 double perovskites consist of an ordered rocksalt arrangement of the B site ions and exhibit a range of different electronic and magnetic properties. Materials... -
New apparatus for neutron diffraction under uniaxial pressure.
We propose to test new apparatus for the magnetic neutron diffraction under uniaxial pressure on WISH diffractometer. The main feature of our apparatus is that the sample is not... -
Incommensurate-commensurate phase transitions in K2SeO4
Materials with incommensurate structures often show exotic properties (such as charge density waves). The development of reliable and efficient refinement techniques for such... -
Investigation of magnetic structure of new multiferroic compound LiFeV2O7
Ferroelectric polarization in type-II multiferroics is induced below long-range magnetic ordering with certain magnetic structure that breaks the inversion symmetry. Here we... -
Crystallographic and Magnetic structures of PrMn7O12
The study of novel manganites, where the tailoring of the Mn formal valence state on the B site is done by the ordering of different cations on the A site of the ABO3 (B:Mn)... -
Identifying fractionalized magnetic excitations in the triangular spin-liquid...
The experimental identification of quantum spin liquids (QSL) in real materials has been one of the challenging and fundamental goals in condensed matter physics. The newly... -
Defect perturbation of the rotational states of NH4 in octahedral environments
The (NH4)0.02 Rbx K0.98-x I system offers advantages for the systematic study of tunnelling species and how they interact. Currently there are two models to explain the dynamics... -
Evolution of the magnetic order in Yb(Rh(1-x)Cox)2Si2
In this proposal we want to clarify the magnetic structure on Yb(Rh(1-x)Cox)2Si2 by means of single neutron diffraction on SXD. In previous experiments we identified the... -
Investigation of magnetic excitations of spin-chain oxides Sr4-xCaxMn2CoO9
The Sr(4-x)Ca(x)Mn2CoO9 compounds are geometrically frustrated transition metal (TM) oxide, which present a variety of interrelated magnetic behavior. The (Mn,Co) TM form a... -
Magnetoelastic coupling effect on multiferroic behaviors in different types o...
We propose to perform high resolution neutron diffraction on powder samples of the frustrated antiferromagnets Ag1-xCuxFe1-yGayO2 using HRPD. CuFe1-yGayO2 and AgFeO2 have... -
Ground state selection in quantum spin ice pyrochlores
In condensed matter physics, the search for new exotic quantum ground states has become a central theme over the past few years. Among the 3D quantum spin liquid candidates, the... -
Determining the magnetic moments of Co and Mn ions in the Ca3CoMnO6 unique mu...
Ca3Co1.05Mn0.95O6 is a rather unique multiferroic being the only known system with displaying collinear magnetic order that breaks inversion symmetry. To date it was not... -
Magnetic frustration induced by applied magnetic fields in CeRhIn5
Quantum critical points (QCPs) have attracted continuous scientific interest due to the emergent phenomena observed in their vicinity, including unconventional superconductivity... -
Nuclear and magnetic structure analysis of Pb2Mn1-xCoxWO6 solid solution (WIS...
Within the framework of multifunctional materials showing the presence of both magnetic and electrical properties, the lead¿based double perovskites Pb2BB¿O6 are recognized as... -
Pressure dependence on the isomorphic phase transition in KOs2O6
We are requesting 5 days of beamtime on HRPD to measure powder diffraction patterns of KOs2O6 under He gas high pressure up to 150 MPa. KOs2O6 exhibits a novel phase transition...
