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Structural investigation of a possible magnetically-induced Weyl semi-metal
One of the major themes in solid-state physics is the realisation of exotic types of relativistic electrons which travel at speeds much slower than the speed of light. These... -
Magnetic structure of new manganite TlMnO3
Recently synthesized new perovskite TlMnO3 is distinct in respect of crystal structure (space group) and orbital ordering from those of the previously known trivalent perovskite... -
Evaluation of Phonon Density of State (PDOS) and its correlation with thermoe...
Nanocomposites offer a promising route for enhancing thermoelectric (TE) efficiency (ZT), which depends on interrelated material properties like Seebeck Coefficient, electrical... -
Neutrons as a direct probe of low-temperature magnetic correlations in Pr2Ir2O7
This proposal is part of our project to investigate the unusual physics of 5d transition metal oxides (5dTMO).The compound of interest, Pr2Ir2O7, is an important member of the... -
The phase diagram of the spin-density-wave metamagnet Sr3Ru2O7
Sr3Ru2O7 is an unusual layered oxide metamagnetic metal. It has been know for some time that the application of a large magnetic field (~8 T) perpendicular to the RuO2 planes... -
Structure and Magnetism of Rb1-xFe2F6: Tuning the Valence of Charge-Ordered K...
We have recently discovered a new family of geometric frustrated magnets starting from the parent system, RbFe2F6, with crystallizes in the defect or β-pyrochlore structure... -
Reentrant Structural Transitions and Collapse of Charge and Orbital Orders in...
A-site ordered quadruple perovskites, AA3B4O12, show many interesting physical and chemical properties, for example, inter-site charge transfer and disproportionation, giant... -
High precision measurement of the spin waves in Yttrium Iron Garnet
Yttrium Iron Garnet (YIG) is a material with extremely wide ranging applications. It is a ferrimagnetic spinel with the narrowest ferromagnetic resonance linewidth of any known... -
Crystal field excitations on a new triangular-lattice antiferromagnet
The magnetic properties and ground state of a new triangular-lattice antiferromagnetic candidate NdMgAl11O19 were studied by magnetization measurements and neutron scattering... -
Magnon dispersion in the polar ferrimagnet BaCaFe4O7
Polar or non-centrosymmetric ferri(-o)magnets offer a plethora of potential technological devices;the inherent magnetoelectric effect can underpin both pyroelectric or... -
Spin waves in the single layer half doped manganite Pr0.5Ca1.5MnO4
We propose to measure the spin wave dispersion and intensities throughout the Brillouin zone of the single layer half-doped manganite Pr0.5Ca1.5MnO4, whose ground state has the... -
The study of spin excitations in superconducting LiFeAs
The spin excitations in superconducting LiFeAs have been found evolved from incommensurate peaks to commensurate peak at low energy. But the spin resonance is still not clear in... -
Ordering phenomena and magnetic phase transitions in Mn2TeO6
Our aim is to study with high resolution neutron powder diffraction the two orthorhombic phases of Mn2TeO6 at RT, so as to understand the origin of the observed structural... -
Spectral signatures of the magnetically hidden octupolar order in Sr2VO4
We propose to study low-energy magnetic excitations associated with the low-temperature ordered phase in polycrystalline Sr2VO4. This layered perovskite compound exhibits an... -
Gaps in the spin wave dispersion relation in elemental iron
Iron is a canonical instance of an itinerant electron ferromagnet, and a classic correlated electron system. Our recent data from MAPS contradicts earlier triple-axis data that... -
The full spin-wave dispersion of CaFe2O4 in the A and B phases:
CaFe2O4 shows an interplay between magnetic structures termed the A and B phases. In this proposal, we request time to measure the spin wave dispersion using MERLIN. Previous... -
An S = 1/2 chiral staggered chain in a magnetic field
The molecule-based chiral spin chain, [Cu(pyrimidine)(H2O)4]SiF6·H2O exhibits staggered g-tensors, a rich low-temperature excitation spectrum and a spin gap that opens on... -
Topological magnons in Cu2OSeO3
Recently, it was predicted topological nature of the magnetic excitations of Cu2OSeO3. It turned out that the system belongs to the class of topologically non-trivial magnets... -
Ground state magnetic structure of EuCuAs
One of the major themes in solid-state physics is the realisation of exotic types of relativistic electrons which travel at speeds much slower than the speed of light. These... -
Probe spin excitations in heavily overdoped BaFe2-xNixAs2
Spin excitations is correlated with superconductivity in high Tc superconductors. The spin excitations in La2-xSrxCuO4 superconductors become weaker in overdoped region and...
