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Dilution of the Near-Kagome Compound Vesignieite
Vesignieite, Cu3VBa2O8(OH)2, is one of very few materials approximating a kagome spin-1/2 Heisenberg antiferromagnet, a model that is the ideal setting for novel quantum spin... -
Muon probed level crossing resonance in a Holmium polyoxometallate single ion...
The magnetic properties of a Holmium single ion magnetic system will be studied using implanted muons. The system is based on a polyoxometallate cluster ion that provides good... -
Local Investigation of Quantum Phase Transition in Reduced Dimensions by muSR
Quantum phase transitions (QPT's) are phase transitions that are driven by zero-temperature quantum fluctuations, and are accessed by varying a non-thermal control parameter.... -
Quantum spin liquids in a frustrated spin chain
LiCuSbO4 is a new 1D S =1/2 frustrated chain compound. Chains with frustrated ferromagnetic J1 and antiferromagnetic J2 interactions are of significant interest due to the rich... -
muSR investigation of spin liquid Tb2Ti2O7
Among the rare earth titanates and stannates cristallising in the pyrochlore crystal structure, Tb2Ti2O7 is a singular system since its ground state is believed to be a spin... -
Single Crystal Study of Unconventional Superconductivity in Ru7B3
Our recent µSR measurements on a polycrystalline sample of Ru7B3 has shown that this material is an excellent example of broken time reversal symmetry on entering the... -
The Role of the Electron-Phonon Interaction in Non-Centrosymmetric Supercondu...
The development of spontaneous fields in the superconducting state in non-centrosymmetric superconductors is shown by a number but not all such superconductors. Our recent... -
Time reversal symmetry breaking in superconducting PrOs4Sb12 and its alloys
In 2005 we carried out muon spin relaxation (muSR) experiments in Pr(Os1-xRux)4Sb12 alloys at KEK, Tsukuba, Japan, to investigate the time-reversal symmetry breaking found in... -
Studying the limits of the quantum Griffiths phase in Ni,V
A randomly diluted ferromagnet has its transition temperature Tc suppressed to a quantum critical point. Between the Tc of the diluted material and that of the undiluted... -
Spin dynamics in the Tomonaga-Luttinger liquid system SrCo2V2O8
SrCo2V2O8 is believed to belong to the same rare universality class as Tomonaga-Luttinger liquids, which may be descrived by the 1D XXZ model. In SrCo2V2O8, this is accomplished... -
Investigation of spin-glass behaviour in the cubic compound PrRhSn3 using muSR
Recently we have investigated the cubic compound PrRhSn3 using the dc and ac susceptibilities and the heat capacity. We found an evidence for the cluster-glass behavior with a... -
Quantum spin-liquid state in a triangular lattice of S = 1/2 spin trimers in ...
Geometrical frustration conspiring with quantum fluctuations in low-dimensional antiferromagnets has been demonstrated over the past years to lead to novel quantum states in... -
μSR Studies of Topological Superconductivity in Sn1-xInxTe and CaIrSi3
We propose muSR experiments to study topological superconductivity in the low-carrier-density superconductor Sn1-xinxTe and Rashba-type non-centrosymmetric superconductor... -
Spin dynamics in the ground state of the multiferroic FeTe2O5Br and FeTe2O5Cl
Recently, we have found a new multiferroics material FeTe2O5Br, with simultaneous ferroelectric and incommensurate magnetic orderings appear at TN = 11 K. Our neutron... -
Exploring magnetic correlations in a new S=1/2 kagome antiferromagnet
The combination of strong magnetic frustration and low spin found in the S=1/2 quantum antiferromagnet is believed to lead to non-classical magnetic behaviour, and in particular... -
Quantum Spin Liquid in triangular Seff=1/2 rare-earth based antiferromagnets
The rise of quantum materials observed in the past decades has been a source of great excitement for condensed matter scientists, with the flourishing of new concepts and... -
Muon spin relaxation study of the single crystals of rare-earth chalcogenides...
Exploring the exotic quantum phenomena and the related ground state of the frustrated quantum magnets has emerged as a forefront area of condensed matter physics. These... -
Unconventional superconducting properties in topological superconductor candi...
Research on two-dimensional transition metal dichalcogenides (TMDS) type-II Weyl semimetal MoTe2, is of particular interest because of their extreme magnetoresistance and... -
A muSR study of a new isotropic molecule-based spin ladder
Progress in the investigation of emergent ground states and novel excitations in condensed matter systems relies on the existence of materials that are well described by simple... -
Probing the interplay between charge density wave and superconductivity in st...
We propose to study PdxIrTe2, which evolves from a charge-orbital density wave state to a superconducting state with doping. It has a similar structural motif, doping-dependent...