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Spin dynamics of Ce in the Noncentrosymmetric Heavy-Fermion Superconductors C...
In centrosymmetric heavy-fermion (HF) superconductors Cooper pairs have either singlet or triplet symmetry. Recently a handful of non-centrosymmetric Ce-based HF compounds have... -
Spin waves in as-grown PLCCO-- How doping without annealing affects the spin ...
We propose to study the spin wave excitations of nonsuperconducting single crystal Pr0.88LaCe0.12CuO4 (PLCCO). Previous experiments on superconducting PLCCO have shown that spin... -
Spin glass behaviour in the disorder-free geometrically frustrated magnet Yb2...
Our susceptibility studies of the frustrated magnet Yb2Sn2O7 has revealed a spin glass transition of the Yb3+ magnetic lattice at T_g = 140 mK. To our knowledge, this... -
Spin Order in NiV2O6
One-dimensional magnetic materials have been widely studied due to their often remarkable ground states and excitations. Recent study of the triclinic form of CoV2O6 brannerite... -
Investigating thermal and light-induced spin crossover using neutron photocry...
Photocrystallography, a rapidly developing area in dynamic structural science, allows photoinduced structural changes and transient species to be studied. X-ray techniques have... -
Spin dynamics in disordered La(Cr1/3Mn1/3Fe1/3)O3 perovskite.
Disorder of magnetic cations usually suppresses long-range spin order: the Curie or Néel temperature drops rapidly, and a spin glass state often results at high disorder levels.... -
Spin gap opening associated with an extraordinary magnetovolume effect in som...
We have discovered an unusual magnetovolume effect in the 6H-perovskite oxides Ba3BiIr2O9 and Ba3BiRu2O9. These compounds contain isolated face-sharing bi-octahedral dimers... -
Spin excitations in RbFe2F6 ¿ A possible S=5/2 Kagome lattice?
We propose to investigate the spin fluctuations in a candidate S=5/2 Kagome lattice. Previous neutron diffraction has found that RbFe2F6 maybe a good realization of a Kagome... -
A new approach to look at membrane in plane organisation via giSANS
Biological membrane in plane organisation is a challenging topic, specially since it has been suggested to depend on curvature. So far the main approach to study curvature... -
Evolve of the Spin Waves in Rb0.8Fe1.6Se2 at High Temperature
The newly discovered AxFe2-ySe2 (A=K,Rb,Cs) compounds have attracted great interests because of their parent compounds are insulators instead of being metallic [2-6].... -
Spin fluctuations in the hyperkagome quantum antiferromagnet Na4Ir3O8
Spins arranged on the kagome lattice are one of the most widely investigated topics in frustrated magnetism. In this context, the three-dimensional analogue of these systems,... -
Crystal Field Excitations in the Borderline Spin Ice Pr2Zr2O7
The title compound is expected to be a spin ice close to an instability which stabilises magnetic order. We can determine its spin Hamiltonian precisely by measuring the crystal... -
Muon Spin Relaxation studies of Ni(TCNQ)2
Molecular ferromagnets offer great potential as they are synthesized at low temperatures and offer the possibility functionalization. Ni(TCNQ)2 is such a molecular ferromagnet,... -
High Energy Spin Excitations in Overdoped Superconducting BaFe1.85Ni0.15As2
The recent discovered iron pnictide superconductor which shows a transition temperature up to 50K has drawn much attention in the community. There are indications that... -
Spin fluctuations in the triangular antiferromagnet beta-NaMnO2
We propose to perform a neutron inelastic scattering study on the anisotropic triangular lattice system beta-NaMnO2. This work will be an extension of our previous study on... -
Spin dynamics study in a quasi two-dimensional S = 1/2 triangular antiferroma...
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Resonant Spin Excitation in Single Crystal of Ba0.3K0.7Fe2As2
We recently observed a resonant spin excitation in Ba1-xKxFe2As2 (x=0.4), one of the newly discovered iron arsenide superconductors with Tc=38K, on MERLIN. This demonstrates... -
Spin excitations in overdoped BaFe1.2Ru0.8As2 (Tc=10 K)
Overdoped BaFe1.2Ru0.8As2 is an ideal system for comparison study between band structure calculation and spin excitation spectrum, because the electron correlation is expected... -
Search for Neutron Spin Resonance and High Energy Spin Excitations in Exotic ...
Neutron spin resonance mode is a common feature in different classes of magnetic superconductors; nonetheless, the microscopic origin of the mode is still unclear. In general,... -
Spin and orbital fluctuations in MgV2O4
We propose to the measure the spin and orbital fluctuations associated with Vanadium in MgV2O4 using the MAPS direct geometry chopper spectrometer. This proposal will use the...
