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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,... -
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.... -
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... -
Identifying the Q dependence of a low energy vibrational mode in iron phosphate
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Test of FERNS CCR at low temperatures on MERLIN
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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... -
Low-dimensional glasses: Effect of occupational site disorder in the excess o...
The present scientific case concerns a glass-forming system with even less degrees of freedom, namely the occupational disorder of high-temperature phase (I, P21/c) of... -
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... -
Neutron scattering and muSR studies of magnetic phenomena in YFe2Al10: case s...
In strongly correlated electron systems, the proximity to magnetic ordering has been of special interest. Magnetism in this class of systems is often suppressed by the Kondo... -
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... -
An Investigation on the Effects of B-site disorder on the well-isolated non-K...
Although stuffing in the quantum spin ice (QSI) Yb2Ti2O7 has been shown to play a vital role inthe selection of a ground state, the only study to address such disorder was... -
Probing the electronic structure of uranium(IV) compounds by Inelastic Neutro...
An understanding of the electronic structure of the actinide elements is one of the most intriguing and complex topics in contemporary chemistry. In particular the magnetic... -
Quantum spin excitations of Cr-jarosite
Within the field of condensed matter physics, the study of frustrated antiferromagnets is at the forefront of current research. In frustrated antiferromagnets, the geometry of... -
Inelastic neutron scattering study of spin gap formation in two forms of BaRuO3
Pseudogap phenomena, which are associated with the reduction in the density of states at EF, have been intensively investigated in HTSC, as well in heavy fermion systems through... -
Investigating the use of the Paris Edinburgh cell on Merlin
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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... -
magnetic excitation in square lattice 2D heisenberg antiferromagnet Sr3Fe2O6.5
Oxygen doping in Sr3Fe2O7-x is of special interest because it allows us to continuously tunethe magnetic interactions and dimensionality in a strongly correlated system.... -
Two Kondo scales and crystal-field excitations in CeRuSn
At room temperature the ternary stannide CeRuSn crystallizes with a super structure of the monoclinic CeCoAl-type structure. Charge ordering produces a doubling of the unit cell... -
Investigation of crystal field excitations in RRh3 (R=Pr and Nd) compounds
To determine the crystal fields of hexagonal RRh3 (R=Pr, Nd) compounds showing ferromagnetic transitions at TC=3 and 6 K, respectively, we plan to perform inelastic neutron... -
Neutron and muSR study of CePtSi: Non-Fermi liquid behaviour due to avoided m...
Previous studies have pointed to a heavy-electron state in CePtSi with a strongly enhanced electronic specific heat. We have explored the heat capacity, susceptibility and...
