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We report superconductivity in the ternary half-Heusler compound LuPtBi, with Tc = 1.0 K and Hc2 = 1.6 T. The crystal structure of LuPtBi lacks inversion symmetry, hence the material is a noncentrosymmetric superconductor. Magnetotransport…

We report both 77Se and 87Rb NMR studies on Tl0.47Rb0.34Fe1.63Se2 single-crystalline superconductors (T_c about 32 K). Singlet superconductivity is decisively determined by a sharp drop of the Knight shift K(T) below T_c, after subtracting…

Superconductivity · Physics 2011-05-13 L. Ma , G. F. Ji , J. Zhang , J. B. He , D. M. Wang , G. F. Chen , Wei Bao , Weiqiang Yu

We present magnetometry and muon spin rotation ($\mu$SR) measurements of the superconducting dichalcogenide Ir$_{0.95}$Pt$_{0.05}$Te$_2$. From both sets of measurements we calculate the penetration depth and thence superfluid density as a…

Superconductivity · Physics 2016-11-15 M. N. Wilson , T. Medina , T. J. Munsie , S. C. Cheung , B. A. Frandsen , L. Liu , J. Yan , D. Mandrus , Y. J. Uemura , G. M. Luke

We report on muon-spin rotation/relaxation (\muSR), electrical resistivity, magnetization and differential scanning calorimetry measurements performed on a high-quality single crystal of Cs_0.8(FeSe_0.98)_2. Whereas our transport and…

We studied the pressure-induced superconductor CeIrSi$_3$ with the non-centrosymmetric tetragonal structure under high pressure. The electrical resistivity and ac heat capacity were measured in the same run for the same sample. The critical…

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 =…

The magnetic properties of a pressure induced noncentrosymmetric heavy-fermion superconductor CeIrGe$_3$ have been investigated by muon spin relaxation ($\mu$SR), powder neutron diffraction (ND) and inelastic neutron scattering (INS)…

Strongly Correlated Electrons · Physics 2018-05-23 V. K. Anand , A. D. Hillier , D. T. Adroja , D. D. Khalyavin , P. Manuel , G. Andre , S. Rols , M. M. Koza

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

Using a combination of muon-spin relaxation ($\mu$SR), inelastic neutron scattering (INS) and nuclear magnetic resonance (NMR), we investigated the novel iron-based superconductor with a triclinic crystal structure…

We report a high-pressure single-crystal study of the non-centrosymmetric superconductor YPtBi ($T_c = 0.77$ K). Magnetotransport measurements show a weak metallic behavior with a carrier concentration $n \simeq 2.2 \times 10^{19}$…

Superconductivity · Physics 2015-06-05 T. V. Bay , T. Naka , Y. K. Huang , A. de Visser

We report a muon spin relaxation ($\mu$SR) study on polycrystalline noncentrosymmetric superconductor NbGe$_2$~with the superconducting transition temperature $T_c=2.0\sim2.1$~K. Zero-field $\mu$SR~experiment indicates the absence of…

Superconductivity · Physics 2024-12-13 J. C. Jiao , K. W. Chen , A. D. Hillier , T. U. Ito , W. Higemoto , Z. Li , B. J. Lv , Z. -A. Xu , L. Shu

We report on novel antiferromagnetic (AFM) and superconducting (SC) properties of noncentrosymmetric CePt3Si through measurements of the 195Pt nuclear spin-lattice relaxation rate 1/T_1. In the normal state, the temperature (T) dependence…

Superconductivity · Physics 2016-08-16 M. Yogi , Y. Kitaoka , S. Hashimoto , T. Yasuda , R. Settai , T. D. Matsuda , Y. Haga , Y. Ōnuki , P. Rogl , E. Bauer

We report the superconductivity of a new quaternary compound ThMo$_2$Si$_2$C, synthesized with the arc-melting technique. The compound crystallizes in a tetragonal CeCr$_2$Si$_2$C-type structure with cell parameters of $a$ = 4.2296 \r{A}and…

Muon spin relaxation ($\mu$SR) measurements on the new layered cobalt oxide superconductor Na$_{0.35}$CoO$_{2}\cdot$1.3H$_{2}$O and its parent, non-superconducting compounds, have revealed unconventional nature of superconductivity through:…

Rhenium based noncentrosymmetric superconductors crystallizing in $\alpha$-Mn structure have become potential candidates to exhibit an unconventional superconducting ground-state. Here we report a detailed investigation on the…

Superconductivity · Physics 2020-05-20 Arushi , D. Singh , P. K. Biswas , A. D. Hillier , R. P. Singh

We report an investigation of the superconducting properties of the hexagonal noncentrosymmetric compound LaPdIn. Electrical resistivity, specific heat and ac susceptibility measurements demonstrate the presence of bulk superconductivity…

Superconductivity · Physics 2021-07-22 H. Su , Z. Y. Nie , F. Du , S. S. Luo , A. Wang , Y. J. Zhang , Y. Chen , P. K. Biswas , D. T. Adroja , C. Cao , M. Smidman , H. Q. Yuan

Physical properties in the normal and superconducting (SC) state are investigated with $^{125}$Te-nuclear magnetic resonance (NMR) measurements in a quasicrystal $\mathrm{(Ta_{0.95}Cu_{0.05})_{1.6}Te}$, which was a recently discovered…

Superconductivity · Physics 2025-11-07 H. Matsudaira , S. Kitagawa , K. Ishida , Y. Tokumoto , K. Tomiyama , K. Edagawa

We report (13)C NMR characterization of the new superconductor MgCNi_3 (He et al., Nature (411), 54 (2001)). We found that both the uniform spin susceptibility and the spin fluctuations show a strong enhancement with decreasing temperature,…

Superconductivity · Physics 2009-11-07 P. M. Singer , T. Imai , T. He , M. A. Hayward , R. J. Cava

This paper describes the first 63-Cu NMR study of an electron-doped infinitely-layered high Tc superconductor Sr$_0.9$La$_0.1$CuO$_2$ (Tc=42K). The spin dynamics in the normal state above Tc exhibits qualitatively the same behavior as some…

Superconductivity · Physics 2015-06-24 T. Imai , C. P. Slichter , J. L. Cobb , J. T. Markert

We report $^{195}$Pt nuclear magnetic resonance (NMR) measurements on topological superconductor candidate YPtBi which has the broken inversion symmetry and topological non-trivial band structures due to the strong spin-orbit coupling(SOC).…

Superconductivity · Physics 2023-08-01 Y. Z. Zhou , J. Chen , Z. X. Li , J. Luo , J. Yang , Y. F. Guo , W. H. Wang , R. Zhou , Guo-qing Zheng