54 citations · 678 across the 27 of their papers we have counts for
27 papers
Probing the intermediate state of type-I superconductor SnAs using Muon Spin Spectroscopy
Shashank Srivastava, Omkar Kulkarni, Arushi +8
Superconductivity with non-trivial band topology provides a novel platform for exploring topological superconductivity and its quantum applications. A detailed microscopic understa…
ZrOsSi: A topological metal with a superconducting ground state
S. K. Ghosh, B. Li, C. Xu +4
The silicide superconductors (Ta, Nb, Zr)OsSi are among the best candidate materials for investigating the interplay of topological order and superconductivity. Here, we investigat…
Muon Spin Relaxation Study of Spin Dynamics on a Kitaev honeycomb material HLiIrO
Yan-Xing Yang, Cheng-Yu Jiang, Liang-Long Huang +13
The vacancy effect in quantum spin liquid (QSL) has been extensively studied. A finite density of random vacancies in the Kitaev model can lead to a pileup of low-energy density of…
Gapless quantum spin liquid in the triangular system SrCuSbO
S. Kundu, Aga Shahee, Atasi Chakraborty +9
We report gapless quantum spin liquid behavior in the layered triangular SrCuSbO (SCSO) system. X-ray diffraction shows superlattice reflections associated with a…
Spin-dimer ground state driven by consecutive charge and orbital ordering transitions in the anionic mixed-valence compound RbO
T. Knaflič, P. Jeglič, M. Komelj +12
Recently, a Verwey-type transition in the mixed-valence alkali sesquioxide CsO was deduced from the charge ordering of molecular peroxide O and superoxide O…
Investigations of the superconducting ground state of ZrIr: Introducing a new noncentrosymmetric superconductor
Sajilesh. K. P., D. Singh, P. K. Biswas +3
Superconductivity in materials whose crystal structure lacks inversion symmetry is a prime candidate for unconventional superconductivity. A new noncentrosymmetric compound Zr$_{3}…
Coexistence of type-I and type-II superconductivity signatures in ZrB12 probed by muon spin rotation measurements
P. K. Biswas, F. N. Rybakov, R. P. Singh +8
Superconductors usually display either type-I or type-II superconductivity and the coexistence of these two types in the same material, for example at different temperatures is rar…
Broken time-reversal symmetry in superconducting PrLaPtGe
Jian Zhang, Zhaofeng Ding, Kevin Huang +5
The superconducting state of the filled skutterudite alloy series PrLaPtGe has been systematically studied by specific heat, zero-field muon spin relaxat…
Origin of magnetic moments and presence of a resonating valence bond state in BaYIrO
Abhishek Nag, Sayantika Bhowal, M. M. Sala +10
While it was speculated that 5 systems would possess non-magnetic ~=~0 ground state due to strong Spin-Orbit Coupling (SOC), all such systems have invariably shown presence…
Signature of multigap nodeless superconductivity in CaKFe4As4
P. K. Biswas, A. Iyo, Y. Yoshida +3
A newly discovered family of high-Tc Fe-based superconductors, AeAFe4As4 (Ae = Ca, Sr, Eu and A = K, Rb, Cs), offers further opportunities to understand unconventional superconduct…
Suppression of magnetic excitations near the surface of the topological Kondo insulator SmB6
P. K. Biswas, M. Legner, G. Balakrishnan +8
We present a detailed investigation of the temperature and depth dependence of the magnetic properties of 3D topological Kondo insulator SmB6 , in particular near its surface. We f…
Role of magnetic dopants in the phase diagram of Sm1111 pnictides: The Mn case
G. Lamura, T. Shiroka, S. Bordignon +12
The deliberate insertion of magnetic Mn dopants in the Fe sites of the optimally-doped SmFeAsO0.88-F0.12 iron-based superconductor can modify in a controlled way its electronic pro…
Direct evidence of superconductivity and determination of the superfluid density in buried ultrathin FeSe grown on SrTiO
P. K. Biswas, Z. Salman, Q. Song +6
Bulk FeSe is superconducting with a critical temperature 8 K and SrTiO is insulating in nature, yet high-temperature superconductivity has been reported at the in…
Strong enhancement of conventional superconductivity near a quantum critical point of (Ca,Sr)_3Ir_4Sn_13
P. K. Biswas, Z. Guguchia, R. Khasanov +5
Competing electronic states are found in the large majority of unconventional superconductors, including high-Tc cuprates, iron based superconductors and many heavy fermion systems…
Nodeless superconductivity in quasi-one-dimensional Nb2PdS5: A muSR study
P. K. Biswas, H. Luetkens, Xiaofeng Xu +4
Muon spin relaxation and rotation (muSR) measurements have been performed to study the superconducting and magnetic properties of Nb2PdS5. Zero-field muSR data show that no sizeabl…
Broken Time Reversal Symmetry in Superconducting Pr1-xCexPt4Ge12
Jian Zhang, D. E. MacLaughlin, A. D. Hillier +4
We report results of zero-field muon spin relaxation experiments on the filled-skutterudite superconductors~PrCePtGe, , 0.07, 0.1, and 0.2, to inves…
Superconducting properties and pseudogap from preformed Cooper pairs in the triclinic (CaFePtAs)PtAs
M. A. Surmach, F. Brückner, S. Kamusella +11
Using a combination of muon-spin relaxation (SR), inelastic neutron scattering (INS) and nuclear magnetic resonance (NMR), we investigated the novel iron-based superconductor wi…
Exotic Kondo crossover in a wide temperature region in the topological Kondo insulator SmB6 revealed by high-resolution ARPES
N. Xu, C. E. Matt, E. Pomjakushina +12
Temperature dependence of the electronic structure of SmB6 is studied by high-resolution ARPES down to 1 K. We demonstrate that there is no essential difference for the dispersions…
Low-temperature magnetic fluctuations in the Kondo insulator SmB6
P. K. Biswas, Z. Salman, T. Neupert +13
We present the results of a systematic investigation of the magnetic properties of the three-dimensional Kondo topological insulator SmB6 using magnetization and muon-spin relaxati…
Superconducting and magnetic properties of Sr3Ir4Sn13
P. K. Biswas, A. Amato, R. Khasanov +6
Magnetization and muon spin relaxation or rotation (muSR) measurements have been performed to study the superconducting and magnetic properties of Sr3Ir4Sn13. From magnetization me…
Low superfluid density and possible multi-gap superconductivity in BiS2-based layered superconductor Bi4O4S3
P. K. Biswas, A. Amato, C. Baines +5
The magnetic penetration depth as a function of temperature in Bi4O4S3 was studied by muon-spin-spectroscopy measurements. The superfluid density of Bi4O4S3 is found to be very low…
Magnetic phase separation and superfluid density measurements in alkali metal-organic solvent intercalated iron selenide superconductor Lix(C5H5N)yFe2-zSe2
P. K. Biswas, A. Krzton-Maziopa, R. Khasanov +4
We report the low-temperature electronic and magnetic properties of the alkali metal-organic solvent intercalated iron selenide superconductor Lix(C5H5N)yFe2-zSe using muon-spin-sp…
Comparative study of the centrosymmetric and non-centrosymmetric superconducting phases of Re3W using muon-spin spectroscopy and heat capacity measurements
P. K. Biswas, A. D. Hillier, M. R. Lees +1
We compare the low-temperature electronic properties of the centrosymmetric (CS) and non-centrosymmetric (NCS) phases of Re3W using muon-spin spectroscopy and heat capacity measure…
First-Order Reorientation of the Flux-Line Lattice in CaAlSi
P. K. Biswas, M. R. Lees, G. Balakrishnan +6
The flux line lattice in CaAlSi has been studied by small angle neutron scattering. A well defined hexagonal flux line lattice is seen just above Hc1 in an applied field of only 54…