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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... -
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 =... -
Laser-induced electron transfer in Trp-Tyr
We wish to perform longitudinal field measurements on the dipeptide Trp-Tyr under laserexcitation, to probe the electron transfer process within the molecule. We have already... -
μSR Study on Superconducting IrGe
In recent times, materials with low-lying phonon (for instance K2Os2O6 [1]) have attracted immense interest in an aim to discover high transition temperature TC superconductors.... -
Vibrations of a muoniated radical center and photochemistry in benzophenone
Benzophenone is an ideal material to study vibrations of a muon radical centre with near-IR laser light, as all C=O bonds in solid state are almost parallel to each other and it... -
Investigation of excitonic physics in polycyclic aromatic hydrocarbon molecules
The MuSES project currently ongoing in the HiFi spectrometer gives unique opportunity in the field of photochemistry and photophysics of organic molecules. After two successful... -
Superconductivity in the half-Heusler alloys RPdBi (R=Lu,Er)
These half-Heusler compounds are also semi-metals, with low carrier densities and non-trivial topological features. The crystal structures are also non-centrosymmetric, which is... -
Excited/Ground State of Kekulé di-radical Material Bisphenalenyl
Kekulé di-radical (KDR) with two radical centers of independent spins has a low-spin ground state (singlet S0 with antiparallel spins), and interestingly high-spin triplets (T1)... -
Na4Ir3O8: a spin liquid, a valence bond crystal, or something else?
Spins on the kagome lattice are one of the most widely investigated topics in frustrated magnetism. This two-dimensional corner sharing triangular lattice offers a... -
Ferromagnetic ordering in -[Lanthanide(III)-Radical]n- coordination polymers
The molecular magnet [Sm(hfac)3(boaDTDA)]n is the first metal complex of a thiazyl-based neutral radical ligand to exhibit ferromagnetic ordering and was the subject of... -
Enhancement of anomalous low-frequency fluctuations in Mn-doped La1-yYyFeAsO0...
Understanding the normal phase behaviour of the iron based superconductors is very important in order to shed new light on the physics of these complex materials. Mn impurities... -
Superconductivity in the spinels: Cu(Ir_{1-x}Pt_x)2Se4 and CuRh2S4
Spinels, which have formula AB2X4 and crystallise in the cubic space group, exhibit a rich landscape of structural, magnetic and electronic properties. However, superconducting... -
Muon spin relaxation study on frustrated pyrohafnates R2Hf2O7 (R = Nd, Sm, Gd...
With the observations of spin ice behaviour in Dy2Ti2O7 and Ho2Ti2O7 the rare earth pyrochlores R2B2O7 have evolved as a hot topic of current research activities. In our effort... -
Searching for magnetic order in two nitronyl nitroxide isomers
Using nitronyl nitroxide radicals it is possible to prepare purely organic ferromagnets without inclusion of any transition metal or lanthanide ions. Muons are uniquely... -
Low dimensional magnetism from metal-halide hydrogen bond motifs
We will examine the impact of metal-halide hydrogen bond motifs and their ability to provide low-dimensional superexchange pathways. Specifically, we wish to investigate two new... -
Varying oxygen content in the quantum spin ice Tb2Ti2O7
Tb2Ti2O7 is one of two compounds identified as potential quantum spin ices. As with other oxide pyrochlores the properties depend sensitively on the oxygen stoichiometry. Most... -
Superconducting Pairing Symmetry of Single Crystal Organic Superconductor lam...
Organic superconductor lambda-(BETS)2GaCl4 has attracted a great interest due to the low dimensionality, strongly correlated nature since it is lying near the dimer-Mott... -
Muon spin-relaxation probe of chiral spin-liquid state in YBaCo4O7
Geometrically frustrated antiferromagnets RBa(Co/Fe)4O7 (R=rare earth or Y) exhibit a weak ferromagnetic component in the high-temperature spin-liquid phase. Based on a symmetry... -
Investigation of non-Fermi liquid behaviour in Mn0.75Fe0.25Si through muon sp...
The investigation of electron correlations in intermetallic alloys is fascinating. At times, depending on the nature and strength of correlations, the compounds exhibit... -
Paramagnetic excitations in the topological Weyl semimetal Co3Sn2S2
In a magnetic Weyl semimetal (WSM) with broken time-reversal symmetry, large intrinsic anomalous Hall effect is expected if the Weyl nodes are close to Fermi energy, which...