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Temperature dependence of phonon modes in protonated (H2O) and deuterated (D2...
Recentely we have measured (RB 1620263) pressure dependence of phonon modes in both the protonated (H2O) and deuterated ice (D2O) (Fig. 2) at ambient, 0.3 kbar, 1.0 kbar and 1.6... -
Excitation spectrum of the quantum critical S=1/2 ladder material Ba2CuTeO6
Ba2CuTeO6 is a recently discovered S=1/2 spin ladder system containing Cu2+ ladders. Our experiments indicate that it is extremely close to the theoretically predicted quantum... -
Neutron scattering study on the honeycomb Heisenberg-Kitaev magnet alpha-RuCl3
The experimental realization of a Heisenberg-Kitaev model on the honeycomb lattice has been a major topic in a condensed matter physics, because the model predict a novel... -
Magnetic excitations in the new S = 1/2 kagome antiferromagnet and quantum sp...
Materials which display exotic electronic states are of great interest to fundamental science, such as quantum spin-liquids (QSL) which are theorised to underpin the transition... -
Crystal Field Excitations and phonon density of state in Ferromagnetic Superc...
Recently some of us studied the presence of superconductivity (SC) under hydrostatic pressure (0?2.5 GPa) in Sr0.5RE0.5FBiS2 with R = Ce, Pr, Nd, and Sm (crystallized in... -
Exploration of possible spin-charge ordered phases in La2-xBaxCoO4 (x=1/3 and...
This is a proposal to measure the magnetic spectrum of single crystal La2-xBaxCoO4 for the first time. The isostructural layered cobaltates with Sr and Ca instead of Ba have... -
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... -
INELASTIC NEUTRON SCATTERING STUDY OF THE CRYSTALLINE ELECTRIC FIELD OF CeNi9...
A current hot topic in correlated electron physics is the magnetic phase diagram resulting from competing Kondo and RKKY interactions with magnetic frustration. One interesting... -
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,... -
The exploration of spin waves and magnetic interactions in BaFe12O19
As a member of the large hexagonal ferrite families, M-type barium ferrite BaFe12O19 has been largely investigated by the researchers owing to its rich properties. Recently, a... -
Inelastic Neutron Scattering study on the new member in pyrovanadate family: ...
We have synthesized and characterized a new member, namely Fe2V2O7 in the family of 3d transition metal pyrovanadate M2V2O7 (M =Mn, Fe, Co, Ni, Cu). M2V2O7 exist with a great... -
Investigation of Multiple-q states around the Quantum Critical Point of URu2S...
URu2Si2 has been examined intensively over the decades for the rich phase diagram including superconductivity, Hidden Order and multiple magnetic phases appearing around the... -
Effect of oxygen vacancies on the phonon dispersion of pyrochlores
The frustrated magnetism of pyrochlores makes them candidates for applications in magnetic cooling and scientific instrumentation, and the proposal that they can be used to... -
Inelastic neutron scattering study of a quantum frustrated undistorted fcc la...
A new material, Ba2LuMoO6, has been proposed to be an example of a valence bond glass. It bears numerous similarities in bulk measurements to Ba2YMoO6, which was the first... -
Spinwaves excitations in the zigzag spin chain compound beta-CaCr2O4
The S=3/2 zigzag chain antiferromagnet beta-CaCr2O4 exhibits broad spinwave excitations at low temperature, related to an incommensurate magnetic order that sets at TN = 21K.... -
Investigating potential high energy crystal field levels in ErNiAl4
This dataset has no description
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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... -
Neutron scattering investigation of spin-dynamics in the S= 1/2 trimer chain ...
Spin-trimer chain systems are of current interest due to unconventional properties arising from the strong quantum fluctuations and topology, such as, quantum phenomenon of...