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Spin excitations of detwinned BaFe2As2
Although spin excitations in BaFe2As2 are thought spin-wave excitations and the excitation will locate at antiferromagnetic vector (1 0) only for a detwinned sample, the real... -
Molecular and framework dynamics in CH3NH3PbCl3
We propose to use MARI to measure the molecular and framework dynamics in CH3NH3PbCl3 which has become of interest in the context of efficient photovoltaics. CH3NH3PbCl3 is... -
Inelastic neutron scattering study to understand the complex magnetic orderin...
In heavy fermion systems the competition between the RKKY interaction and the Kondo effect leads to a rich variety of phenomena, such as non-Fermi-liquid behavior, unusual... -
Test of FERNS CCR at low temperatures on MERLIN
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Vibrational Contribution to the Thermodynamic Properties of Lithium Ion Batte...
We propose to measure phonon density of states in LixFePO4 (x = 0.3, 0.6 and 1.0; three sample) from 300 to 1000 K to understand the role of lithium disorder with change in x... -
Spin anisotropy of Seff=1/2 triangular rare-earth based antiferromagnets
In quantum magnetism significant efforts have been devoted to the search for new quantum states. In particular the Quantum Spin Liquid (QSL) state on the triangular lattice has... -
Dynamics of Solid Ionic Conductors: Na2Si2O5 and Li2Si2O5
We would measure vibrational spectra for Li2Si2O5 and Na2Si2O5, as well as quasielastic neutron scattering (QENS) spectra for Na2SiO5. The measurement of phonon spectra over... -
Understanding the mechanism of benzyl alcohol oxidation using supported Au-Pd...
Gold, in its nano-scale, has been found to be very effective catalyst for oxidation reactions. More recently, it was shown that supported Au-Pd catalysts can be used for... -
Magnetic excitations in honeycomb ruthenate Na2RuO3
Honeycomb magnets with strong spin-orbit coupling (SOC) are expect to produce exotic magnetic ground states as exemplified by d5 iridates with Jeff = 1/2 state. In d4 case, SOC... -
Quantum spin dynamics in molecular based triangular antiferromagnet Li2AMo3O8...
Recently new molecular based magnets Li2AMo3O8 (A = In and Sc), where Mo3O8 clusters form S = 1/2 triangular lattice Heisenberg antiferromagnet, were synthesized.... -
Origin of the magnetism in heavily electron-doped iron-selenide superconductor
Elucidating the nature of magnetism in a high temperature superconductor is important. Our previous neutron measurements at low temperature revealed a resonance mode at Q = (pi,... -
Crystal electric field splitting in the quantum spin liquid candidate NaYbS2.
NaYbS2 is yet unexplored material which crystallizes in the delafossite structure with general formula ABX2. The magnetic ions Yb3+ form perfect triangular layers separated by... -
Suppression of thermal conductivity in nanostructured ZnO
Thermoelectricity offers solutions for the low-carbon economy through the development of energy-efficient technology. Modest improvement in thermoelectric performance would... -
Low Energy Dispersion of a Stripe-Ordered, Hole-Doped Antiferromagnet
Our previous studies of the hole-doped antiferromagnet La1.75Sr0.25CoO4 have shown the distinctive "Hour-Glass" dispersion attributed to magnetic and charge ordered stripes.... -
Origin of the spin pseudogap in a Ni-doped Heisenberg AF spin-1/2 chain
Heisenberg antiferromagnetic (HAF) S = ½ chains are famous for their gapless magnetic excitation spectrum. Interestingly, in SrCuO2 and Sr2CuO3, which are some of the best... -
Meta-orbital transition in CeRh2Si2
Magnetic quantum critical points (QCPs) in strongly correlated electron systems, i.e. continuous phase transitions at absolute zero temperature, considerably attract both... -
Oxygen Dynamics in Y2O3 doped Bi2O3: (Bi0.8Y0.2)2O3 and (Bi0.6Y0.4)2O3
The high ionic conducting delta-phase of Bi2O3 can be stabilized at ambient temperature in a range of compositions, viz., (Bi1-xYx)2O3 (x=0.1 -0.5). We would measure inelastic... -
Magnetic excitations of an unconventional non-collinear magnetic order in the...
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Ligand-field characterization and U-Pt bonding in uranium-based heterometalli...
We propose to investigate the magnetic excitation spectra of tetravalent uranium ions in two isostructural, one-dimesional chains made up by aligned UM2 units, with M = Pt and... -
Unveiling molecular and collective magnetism in the coupled trimer spin syste...
When isolated spin clusters are weakly coupled to each other, zero-dimensional quantum and three-dimensional collective magnetism concomitantly occur. This is envisioned in the...
