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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... -
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... -
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... -
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 =... -
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... -
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.... -
Magnetism and structure of Mn2FeRuO6
Magnetoelectric materials, combining properties associated with magnetic and ferroelectric memory applications (e.g. in hard drives) are difficult to prepare but would represent... -
Neutron spectroscopy of V7M molecular nanomagnets
A large amount of contemporary research by both chemists and physicists is focused on exploiting the spin of electrons with the attempt of revolutionising the current technology... -
Multiple phase transitions in U2Pt2Sn studied with muon-spin-rotation and rel...
U2Pt2Sn crystallizes in the tetragonal Zr3Al2-type structure (P42/mnm, Z = 4), where uranium atoms occupy two different sites. Our measurements of bulk properties have shown... -
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... -
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... -
muSR study of the heavy fermion antiferromagnetic superconductor CeNi0.8Bi2
Recently the coexistence of superconductivity (SC) and antiferromagnetic (AFM) ordering has been reported in CeNi0.8Bi2 with TSC = 4.2 K and TN =5 K, which crystallises in the... -
Slow spin dynamics and magnetic correlations in a pyrochlore magnet
The rare earth titanates and stannates cristallising in the pyrochlore crystal structure are prone to magnetic frustration effects due to the topology of their lattice. We have... -
Kagome quantum spin liquids - The case of Vesignieite
We aim to explore the groundstate of a new near-perfect S=1/2 kagome antiferromagnetic (KAFM) system using MuSR at the lowest possible temperatures. The title compound is... -
High Field Studies of BEDT-TTF and kappa-(BEDT-TTF)2X
The kappa structural phase of BEDT-TTF salts incorporating various anions X provides an extremely interesting series of layered-structure strongly-correlated materials, whose... -
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... -
Investigation of magnetic excitations of spin-chain oxides Sr4-xCaxMn2CoO9
The Sr(4-x)Ca(x)Mn2CoO9 compounds are geometrically frustrated transition metal (TM) oxide, which present a variety of interrelated magnetic behavior. The (Mn,Co) TM form a... -
Unveiling competing magnetic interactions in Nd5Ge3: Muon spin relaxation
The physics across the phase transitions in solids has been of topical interest in the condensed matter physics. For example, liquid and vapor coexist along the vapor pressure... -
Quasi two-dimensional molecular layers separated by magnetic and non-magnetic...
One goal of our research into the nanoengineering of molecular magnets is a detailed understanding of the relationship between the structure and composition of a system and its... -
Superconductivity and magnetism in iron-arsenide superconductors
The The recent discovery of superconductivity in FeAs-containing compounds (often known as the pnictides has provided a great stimulus to experiment and theory in the study of...