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BaCu2(Si1-xGex)2O7 - A spin 1/2 chain material with tunable inter-chain inter...
BaCu2Ge2O7 is reported to be a one dimensional Heisenberg antiferromagnet, with three dimensional long range order at low temperatures due to small antiferromagnetic... -
Musr study of non-centrosymmetric heavy-fermion compounds: CeTSi3 (T=Pt and P...
In view of the interesting magnetic properties observed in CeTSi3 (T=Pt and Pd) and superconductivity in LaPdSi3 (TSC= 2.6 K), as well as the theoretical interest in... -
Inelastic neutron scattering study on the one dimensional spin-chains
One-dimensional (1D) spin chain is interesting to understand the low dimensional magnetism. For a 1D spin chain, long rang magnetic order cannot exists at finite temperature. On... -
MUSR investigations of the spin-liquid ground sate in the new kagome lattice ...
Unveiling quantum effects in materials at low temperatures, such as quantum spin-liquid behavior, have been a central task in condensed matter physics. A two-dimensional kagome... -
muSR study of frustrated magnets with a spinel structure
Pyrochlore magnets of formula R2Ti2O7 or R2Sn2O7 constitute the paradigm for geometrical frustration on a 3D lattice. Spinel compounds CdR2X4, where the R sublattice forms a... -
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... -
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... -
Ground state selection in quantum spin ice pyrochlores
In condensed matter physics, the search for new exotic quantum ground states has become a central theme over the past few years. Among the 3D quantum spin liquid candidates, the... -
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... -
Nonmonotonic phase diagrams in molecular magnets
We propose longitudinal field muSR on a 2D molecular magnetic system which has been suggested to have an unusual B-T phase diagram. Our goal is to probe the transition from... -
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... -
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... -
A µSR STUDY OF THE SUPERCONDUCTING GROUD STATE OF LA3NI2B2N3-d
The quaternary boronitride superconductor La3Ni2B2N3-d (Tc~12-14 K) has a layered structure where LaN-LaN-LaN triple layer blocks alternate with NiB layers. These NiB sheets are... -
Critical behaviour and FmuF oscillations in Cs2Cu3SnF12 and Rb2Cu3SnF12
Cs2Cu3SnF12 and Rb2Cu3SnF12 have a distorted kagome structure and the latter exhibits a pinwheel valence bond solid (VBS) state that has been demonstrated by inelastic neutron... -
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... -
Magnetic correlations in yttrium diluted Ho2-xYxTi2O7 spin ice.
Pure Ho2Ti2O7 exhibits spin ice beahviour. Studies of doped spin ice, replacing Ho with non-magnetic Y, suggest that the spin ice state is present even when the amount of doping... -
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... -
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... -
Exploring magnetic fluctuations in a novel iridate pyrochlore: Bi2Ir2O7
Pyrochlore magnets are one of the cornerstones of frustrated magnetism, with two interpenetrating lattices of corner-sharing tetrahedra on which magnetic ions can be placed. By... -
Probing the superconducting state of the non-centrosymmetric Heusler supercon...
Recently, superconductivity has been discovered in a number of materials whose lattices lack inversion symmetry, with important implications for the symmetry of the...
