Publications (17)
An investigation of type-I superconductivity in single crystal of Pb2Pd
Arushi, K. Motla, A. Kataria +6
We have investigated the superconducting properties in a single crystal of a new superconductor PbPd via various techniques including magnetization, AC transport, transverse…
Synthesis, physical and magnetic properties of CuAlCrS: a new Cr-based breathing pyrochlore
S. Sharma, M. Pocrnic, B. N. Richtik +10
We present the synthesis and physical properties of a new breathing pyrochlore magnet CuAlCrS with the help of synchrotron x-ray diffraction (XRD), magnetization under ambi…
Evidence for non-unitary triplet-pairing superconductivity in noncentrosymmetric TaRuSi and comparison with isostructural TaReSi
S. Sharma, Sajilesh K. P., A. D. S. Richards +11
We have studied the superconducting properties of the isostructural ternary noncentrosymmetric superconductors TaXSi (X = Re, Ru) with the help of muon spin rotation/relaxation ($Î…
Superconducting ground state study of valence skip compound AgSnSe
A. Kataria, Arushi, S. Sharma +8
The valence-skipped superconductors are natural candidates for unconventional superconductivity, as they can exhibit a negative effective, attractive interaction for electron-pairi…
Conventional superconductivity in single-crystalline BiPt
S. Sharma, M. Pula, Sajilesh K. P. +10
Binary Bi-Pd/Pt systems have attracted a lot of interest because of their topologically non-trivial nature along with superconductivity. We report the structural and superconductin…
Fractionalized Magnetization Plateaus in the Shastry-Sutherland Lattice Material ErBeGeO
M. Pula, S. Sharma, J. Gautreau +6
The experimental study of magnetism on the Shastry-Sutherland lattice has been ongoing for more than two decades, following the discovery of the first Shastry-Sutherland lattice ma…
Evidence for conventional superconductivity in BiPdPt and prediction of topological superconductivity in disorder-free -BiPd
S. Sharma, A. D. S. Richards, Sajilesh K. P. +13
We present comprehensive investigations into the structural, superconducting, and topological properties of BiPdPt. Magnetization and heat capacity measurements performed on po…
Broken time-reversal symmetry in a new non-centrosymmetric superconductor Re8NbTa
R. K. Kushwaha, Arushi, S. Sharma +8
Re-based superconductors provide a rich platform for the study of unconventional superconductivity. We have investigated the superconducting properties of ReNbTa, a new nonce…
Three-Dimensional Neutron Far-Field Tomography of a Bulk Skyrmion Lattice
M. E. Henderson, B. Heacock, M. Bleuel +10
Skyrmions are topologically-protected spin textures thought to nucleate and annihilate on points of vanishing magnetization, called Bloch points. However, owing to a lack of bulk t…
Giant anomalous Hall effect in epitaxial MnGe films with a cubic kagome structure
J. S. R. McCoombs, B. D. MacNeil, V. Askarpour +8
We report on the first example of epitaxial MnGe thin films with a cubic structure. The films are found to exhibit frustrated ferromagnetism with an average magne…
Structure and magnetism of MnGe thin films grown with a nonmagnetic CrSi template
B. D. MacNeil, J. S. R. McCoombs, D. Kalliecharan +7
We report a method to grow B20 MnGe thin films using molecular-beam epitaxy, which employs an ultrathin CrSi template layer on Si(111). This layer is expected to be nonmagnetic, in…
Topology meets time-reversal symmetry breaking in FeSeTe superconductor
M. Roppongi, Y. Cai, K. Ogawa +21
Time-reversal symmetry breaking (TRSB) in magnetic topological insulators induces a Dirac gap in the topological surface state (TSS), leading to exotic phenomena such as the quantu…
Skyrmion Alignment and Pinning Effects in a Disordered Multi-Phase Skyrmion Material Co8Zn8Mn4
M. E. Henderson, M. Bleuel, J. Beare +10
Underlying disorder in skyrmion materials may both inhibit and facilitate skyrmion reorientations and changes in topology. The identification of these disorder-induced topologicall…
Fully gapped superconductivity in centrosymmetric and non-centrosymmetric Re-B compounds probed with SR
S. Sharma, Arushi, K. Motla +7
We present a comprehensive study on superconducting properties of ReB and ReB through specific heat, magnetic susceptibility, resistivity, and transverse and zero-field…
Ground-states of the Shastry-Sutherland Lattice Materials GdBeGeO and DyBeGeO
M. Pula, S. Sharma, J. Gautreau +3
The recent realization that the rare-earth melilites REBeGeO host the Shastry-Sutherland lattice within planes of RE ions has sparked a number of studies. This f…
Characterization of a Disordered Above Room Temperature Skyrmion Material Co8Zn8Mn4
M. E. Henderson, J. Beare, S. Sharma +11
Topologically non trivial spin textures host great promise for future spintronic applications. Skyrmions in particular are of burgeoning interest owing to their nanometric size, to…
A Candidate for the Quantum Spin Liquid Ground-State in the Shastry-Sutherland Lattice Material YbBeGeO
M. Pula, S. Sharma, J. Gautreau +8
The quasi-2D Shastry-Sutherland model has remained topical in the field of condensed matter physics for the last two decades, following the experimental realization of the model in…