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muSR studies of expanded fullerides close to the Mott transition
Fulleride superconductivity is experiencing a renaissance of interest following our recent discovery of superconductivity proximate to an antiferromagnetic Mott insulating state... -
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... -
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... -
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... -
Unconventional slow spin fluctuations in Ba122 iron-based superconductors
The iron-based superconductors are at the forefront of the research on unconventional superconductivity. The Barium-122 systems, doped with electrons, reveal a non-trivial... -
MuSR study to investigation a small moment magnetic ordering in Ce(Os1-xFex)2...
Our recent musr studies on CeT 2Al10 (T=Os and Ru) reveal a clear sign of long range magnetic ordering below 28 K in both the compounds. More interestingly the frequency... -
Probing the local magnetism of R2TSi3-type (R = rare earth ; T = Ni, Co) comp...
The crystal structure of R2T(Ni,Co)Si3 consists of hexagonal layers of rare-earth atoms and randomly distributed T-Si arranged alternately along hexagonal c-axis. Magnetic... -
Dynamics in a new skyrmion spin texture in GaV4S(8-y)Se(y)
Topological physics was the subject of last year's Nobel Prize for Physics and over forty years after the groundbreaking work of Kosterlitz, Thouless and Haldane, remains an... -
Antiferromagnetism and Magnetic Frustration in Ba2MnMoO6
We propose to use muon spin relaxation to examine the anomalous magnetic phase behaviour of Ba2MnMoO6. This compound shares the frustrated geometry that leads to a valence bond... -
Electron polarisation in CdS and CdTe
At low temperatures and high magnetic fields, the electron in a muonium or radical state may be polarised if it has an opportunity to reach thermal equilibrium. Such a... -
Musr studies of the high-distorted double perovskite compounds: La2NaB¿O6 (B¿...
The heat capacity and neutron powder diffraction measurements of the double perovskites La2NaB′O6 (B = Ru5+, Os5+) with S=3/2 on the B¿ reveal an incommensurate magnetic... -
Muon spin rotation study of LixFeyAs and NaFeAs superconductors
We will examine the magnetic and superconducting properties of these two novel superconducting systems using muon spin rotation and relaxation experiments. Stoichiometric LiFeAs... -
The effect of low-level substitutional disorder on Néel-skyrmion systems
The polar magnetic semiconductors GaV4S8 and GaV4Se8 have recently attracted attention as one of only two families of bulk materials hosting Néel-type skyrmions: nano-sized... -
Frustration-stabilized skyrmions in centrosymmetric compounds
Skyrmions are chiral magnetic spin textures that exist in a variety of different magnetic materials. Skyrmions are usually stabilized in noncentrosymmetric chiral materials by... -
muSR study of magnetic correlations in a novel spin frustrated system: Li3Mg2...
The new compound Li3Mg2RuO6 exhibits interesting structural and magnetic properties. The Ru5+ sublattice is intrinsically frustrated : chains, along various [110] directions, of... -
Longitudinal relaxation measurements in the ferromagnetic phase of the superc...
We aim to perform zero and longitudinal field muon spin relaxation measurements in order to investigate anomalous spin dynamics effects observed in EuFe2(As1-xPx)2 with x=0.20... -
Magnetic ordering of moments from ionic dimers on a distorted triangular lattice
Magnetic systems generally involve magnetic moments on individual ions or atoms with coupling between them that can induce magnetic ordering. An alternative paradigm is realised... -
Dynamics in a new skyrmion spin texture in GaV4S8
Topological physics was the subject of this year's Nobel Prize for Physics and over forty years after the groundbreaking work of Kosterlitz, Thouless and Haldane, remains an...