-
Muon spin relaxation study of R2RuO5 (R = Pr, Nd, Sm, Tb)
R2RuO5 (R = Pr, Nd, Sm, Gd, Tb) are known to exhibit interesting physical properties. They all show magnetic ordering between 8 ¿ 24 K. They also show large Sommerfeld... -
The Crossover Between Giant Magnetoresistance and Superconductivity in RuSr2G...
Giant magnetoresistance (GMR) is observed up to -49% in RuSr2R1.8-xY0.2CexCu2O10-d ruthenocuprates. The magnetotransport is very sensitive to lattice effects. As , the mean A... -
A µSR study of unconventional spin fluctuation mediated superconductivity in ...
One of us has recently found experimental evidence for unconventional superconductivity in a newly synthesized three-dimensional nearly antiferromagnetic metal, LaAg1−xMnx... -
Temperature Dependence Study of the Local Magnetic Behaviour in Fe3C-Filled N...
Recent research in to Carbon Nanotubes filled with magnetic materials has produced some interesting results that have the potential to bring about new computing technology. In... -
Magnetic order in the low doping regime in La(2-x)SrxCoO4
While investigating the ordering and magnetic dynamics in La2-xSrxCoO4 we found some intriguing behaviour for samples with small x, which would imply that the phase diagram is... -
Frustration, quantum spin ices and quantum diffusion
This proposal aims to characterise the spin dynamics of three Pr-based pyrochlores that may be realisations of quantum spin ice materials. The lower moment and larger wave... -
Continuation of the low-frequency fluctuations muSR study in Mn-doped La1-yYy...
The aim of the experiment is to study, in low magnetic fields, the very slow spin fluctuation (MHz range) present in the normal phase of La0.8Y0.2LaFe1-xMnxAsO0.89F0.11... -
Muon spin rotation study on Pr2T3Ge5 (T = Rh and Pd)
Recently we have investigated Pr2Pd3Ge5 and Pr2Rh3Ge5 compounds which form in the orthorhombic structure. Pr2Pd3Ge5 exhibits two magnetic transitions at TN1 = 7.5 K and TN2 =... -
Multistage symmetry breaking of the breathing pyrochlore compounds LiGaCr4O8 ...
At the heart of understanding collective phenomena in condensed matter physics is the search for emergent phases of matter formed by strong frustrations in geometrically... -
Magnetic critical scattering in UGe2 under pressure
The proposal is to measure the low-energy spin dynamics of the ferromagnetic superconductor UGe2 at the pressure which maximizes superconducting transition temperature and at... -
Probing the ground state magnetism at the local scale of an unusual metallic ...
Common d5 pyrochlore iridates, A2Ir2O7 or A2Ir2O6O, are reported to have long range magnetic order based on muSR experiment. Only Pr2Ir2O7 has been identified as a metallic... -
Local magnetism in graphene / transition metal oxide nanocomposites
Properties of graphene that make it an important material are its exceptionally high conductivity, massless fermions and a high velocity of electrons near the Dirac points.... -
Investigation of magnetic defects in exfoliated and ball-milled graphite
The recent interest in carbon-based materials like graphene stimulated a deeper analysis of the magnetism in graphite defects. In a previous µSR experiment we observed an... -
Investigating the magnetic ground states in complex manganese based oxides
The geometric frustration, combined with other parameters like the net quantum spin state (1/2, 1 or 3/2) is expected to give rise the exotic magnetic ground states such as the... -
Magnetic relaxation processes in tetragonal lanthanide single-molecule magnets
Single-Molecule Magnets (SMMs) are molecules that display slow relaxation of their magnetisation. We have designed a new class of mononuclear lanthanide SMMs, where the... -
Following the Evolution of Spin Dynamics upon Zn-Doping in the Quantum Spin L...
Quantum spin liquids (QSLs) are intriguing states of matter in which quantum fluctuations are sufficiently strong to destroy any long-range magnetic order. To date, one of the... -
muSR study on non-centrosymmetric Ce-based heavy fermion superconductors: CeT...
Recently a handful of non-centrosymmetric Ce-based HF compounds with general formula CeTX3 (T=transition mental and X=Si or Ge) have been reported to exhibit superconductivity... -
Ionization of Neutral Shallow Donor Muonium in beta-Ga2O3
We propose RF-MuSR experiments focused on confirming the two shallow Mu donor states tentatively observed in single crystalline beta-Ga2O3 samples. This material is a candidate... -
Spin dynamics in CP*-Ho-COT
Single-Molecular Magnets (SMMs) provide access to the mesoscopic world. They possess slow magnetization relaxation due to an energy barrier induced by axial magnetic anisotropy,... -
µSR study of the frustrated hyper-honeycomb magnet beta-Li2IrO3
In the present proposal, we would like to investigate beta-Li2IrO3, a 5d based hyper-honeycomb system, where strong Kitaev-type anisotropy of magnetic couplings triggers a...
