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The superconducting state of the caged type compound Lu$_5$Rh$_6$Sn$_{18}$ has been investigated by using magnetization, heat capacity, and muon-spin relaxation or rotation ($\mu$SR) measurements and the results interpreted on the basis of…

Superconductivity · Physics 2015-06-23 A. Bhattacharyya , D. T. Adroja , J. Quintanilla , A. D. Hillier , N. Kase , A. M. Strydom , J. Akimitsu

We report the single-crystal synthesis and detailed investigations of the cage-type superconductor Sc5Ru6Sn18, using powder x-ray diffraction (XRD), magnetization, specific-heat and muon-spin relaxation (muSR) measurements. Sc5Ru6Sn18…

Superconductivity · Physics 2018-07-31 D. Kumar , C. N. Kuo , F. Astuti , T. Shang , M. K. Lee , C. S. Lue , I. Watanabe , J. A. T. Barker , T. Shiroka , L. J. Chang

Conventional superconductors are robust diamagnets that expels magnetic fields through the Meissner effect. It would therefore be unexpected if a superconducting ground state would support spontaneous magnetics fields. Such broken…

We explore both experimental and theoretical aspects of the superconducting properties in the distinctive layered caged compound, Ba$_{3}$Ir$_{4}$Ge$_{16}$. Our approach integrates muon spin rotation and relaxation ($\mu$SR) measurements…

We have studied the superconducting properties of LaIr$_3$ with a rhombohedral structure using magnetization, heat capacity, and muon-spin rotation/relaxation ($\mu$SR) measurements. The zero-field cooled and field cooled susceptibility…

Superconductivity · Physics 2020-01-08 A. Bhattacharyya , D. T. Adroja , P. K. Biswas , Y. J. Sato , M. R. Lees , D. Aoki , A. D. Hillier

We investigate the superconducting properties of Sc$_{5}$Co$_{4}$Si$_{10}$ using low-temperature resistivity, magnetization, heat capacity, and muon-spin rotation and relaxation ($\mu$SR) measurements. We find that Sc$_{5}$Co$_{4}$Si$_{10}$…

We have studied the electronic properties of ScS, a transition-metal monochalcogenide with rocksalt crystal structure, using magnetization, specific heat, transport, and muon spin rotation/relaxation ($\mu$SR) measurements. All measurements…

Superconductivity · Physics 2022-08-17 Arushi , R. K. Kushwaha , D. Singh , A. D. Hillier , M. S. Scheurer , R. P. Singh

Exploring superconductors which can possess pairing mechanism other than the BCS predicted s-wave have continually attracted considerable interest. Superconductors with low-lying phonons may exhibit unconventional superconductivity as the…

Superconductivity · Physics 2021-08-19 Arushi , Kapil Motla , P. K. Meena , S. Sharma , D. Singh , P. K. Biswas , A. D. Hillier , R. P. Singh

${\rm CaPd_2Ge_2}$ which crystallizes in ${\rm ThCr_2Si_2}$-type body-centered tetragonal structure exhibits superconductivity below the critical temperature $T_{\rm c} = 1.69$~K\@. We have investigated the superconducting gap structure and…

Superconductivity · Physics 2025-06-13 V. K. Anand , A. Bhattacharyya , D. T. Adroja , K. Panda , P. K. Biswas , A. D. Hillier , B. Lake

Superconductivity in the pseudo-binary pnictides Ru0.55Rh0.45P and Ru0.75Rh0.25As is probed by muon spin relaxation and rotation (muSR) measurements in conjuction with magnetic susceptibility, heat capacity and electrical resistivity…

Superconductivity · Physics 2019-01-30 V. K. Anand , D. T. Adroja , M. R. Lees , P. K. Biswas , A. D. Hillier , B. Lake

We report appearance of superconductivity at 5K in NdO0.5F0.5BiS2 and supplement the discovery [1] of the same in layered sulfide based ZrCuSiAs type compounds. The bulk polycrystalline compound is synthesized by conventional solid state…

Superconductivity · Physics 2015-06-11 Rajveer Jha , Anuj Kumar , Shiva Kumar Singh , V. P. S. Awana

Here, we report the discovery of superconductivity in a new transition metal-chalcogenide compound, i.e. Nb2Pd0.81S5, with a transition temperature Tc > 6.6 K. Despite its relatively low Tc, it displays remarkably high and anisotropic…

Superconductivity · Physics 2013-03-14 Q. Zhang , G. Li , D. Rhodes , A. Kiswandhi , T. Besara , B. Zeng , J. Sun , T. Siegrist , M. D. Johannes , L. Balicas

We show that the previously unreported ternary $\sigma$-phase material Nb$_{20.4}$Ru$_{5.7}$Ge$_{3.9}$ is a superconductor with a critical temperature of 2.2 K. Temperature-dependent magnetic susceptibility, resistance, and specific heat…

Superconductivity · Physics 2017-12-13 Elizabeth M. Carnicom , Weiwei Xie , Zuzanna Sobczak , Tai Kong , Tomasz Klimczuk , Robert J. Cava

Evidence for broken time reversal symmetry (TRS) has been found in the superconducting states of the $R_5$Rh$_6$Sn$_{18}$ (R = Sc, Y, Lu) compounds with a centrosymmetric caged crystal structure, but the origin of this phenomenon is…

We report synthesis, structural details and complete superconducting characterization of very recently discovered Nb2PdS5 new superconductor. The synthesized compound is crystallized in mono-clinic structure. Bulk superconductivity is seen…

Superconductivity · Physics 2015-06-18 Rajveer Jha , Brajesh Tiwari , Poonam Rani , H. Kishan , V. P. S. Awana

CaSb$_2$ is a bulk superconductor and a topological semimetal, making it a great platform for realizing topological superconductivity. In this work, we investigate the superconducting upper and lower critical field anisotropy using magnetic…

Superconductivity · Physics 2024-05-31 M. Oudah , Y. Cai , M. V. De Toro Sanchez , J. Bannies , M. C. Aronson , K. M. Kojima , D. A. Bonn

The properties of the noncentrosymmetric superconductor ($\alpha$-$\textit{Mn}$ structure) Nb$_{0.5}$Os$_{0.5}$ is investigated using resistivity, magnetization, specific heat, and muon spin relaxation and rotation ($\mu$SR) measurements.…

Superconductivity · Physics 2018-02-14 D. Singh , J. A. T. Barker , A. Thamizhavel , A. D. Hillier , D. McK. Paul , R. P. Singh

We systematically measure the superconducting (SC) and mixed state properties of high-quality CsV3Sb5 single crystals with Tc ~ 3.5 K. We find that the upper critical field Hc2(T) exhibits a large anisotropic ratio of Hc2^(ab)/Hc2^(c) ~ 9…

We have investigated the superconducting state of the non-centrosymmetric compound Re6Zr using magnetization, heat capacity, and muon-spin relaxation/rotation (muSR) measurements. Re6Zr has a superconducting transition temperature, Tc =…

In the paper, the thermodynamic properties of the superconducting state in the $\rm{B_{2}H_{6}}$ compound have been characterized. The pressure of 360 GPa has been taken into account. The calculations have been carried out in the framework…

Superconductivity · Physics 2013-03-05 R. Szczesniak , E. A. Drzazga , A. M. Duda
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