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The discovery of nearly room-temperature superconductivity in superhydrides has motivated further materials research for conventional superconductors. To realize the moderately high critical temperature $(T_\mathrm{c})$ in materials…

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

We report the characterization of the misfit compound (Pb1-xSnxSe2)1.16(TiSe2)2, in which a [100] rocksalt bilayer of Pb1-xSnxSe, which is a topological crystalline insulator in bulk form, alternates with a double layer of the normally…

Superconductivity · Physics 2016-05-25 Huixia Luo , Kai Yan , Weiwei Xie , Brendan F. Phelan , R. J. Cava

We present a study of the superconducting properties of the candidate topological superconductor Ti_(3)Sb. Electrical transport measurements show zero resistance with a T_(c,onset) of ~ 5.9 K with a transition width {\Delta}T_c~ 0.6 K. The…

Superconductivity · Physics 2023-03-15 R. Chapai , M. P. Smylie , H. Hebbeker , D. Y. Chung , W. -K. Kwok , J. F. Mitchell , U. Welp

Superconducting materials with a nontrivial band structure are potential candidates for topological superconductivity. Here, by combining muon-spin rotation and relaxation ($\mu$SR) methods with theoretical calculations, we investigate the…

Superconductivity · Physics 2020-06-22 T. Shang , J. Z. Zhao , D. J. Gawryluk , M. Shi , M. Medarde , E. Pomjakushina , T. Shiroka

Transition metal dichalcogenides exhibit many unexpected properties including two-dimensional (2D) superconductivity as the interlayer coupling being weakened upon either layer-number reduction or chemical intercalation. Here we report the…

Superconductivity · Physics 2024-11-20 Kaibao Fan , Mengzhu Shi , Houpu Li , Ziji Xiang , Xianhui Chen

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

Layered metal-rich subsulfides have become a promising area for exploring intriguing properties such as superconductivity, nontrivial topology, and charge density waves; however, despite their extraordinary potential, they have remained…

Superconductivity · Physics 2023-08-02 A. Kataria , R. P. Singh

In this letter, we present the superconducting property characterization of a phase pure reasonably good quality YBa2Cu3O7-{\delta} sample. Studied compound is crystallized in orthorhombic Pmmm space group with lattice parameters a, b, and…

Superconductivity · Physics 2014-01-21 Rajveer Jha , Poonam Rani , V. P. S Awana

Through the solid state reaction method, we synthesized a new BiSe2-based superconductor Sr0:5La0:5FBiSe2 with superconducting transition temperature Tc?3.8 K. A strong diamagnetic signal below Tc in susceptibility ?(T) is observed…

Superconductivity · Physics 2016-05-02 Lin Li , Yongliang Xiang , Yihong Chen , Wenhe Jiao , Chuhang Zhang , Li Zhang , Jianhui Dai , Yuke Li

The specific heat C of a sintered polycrystalline sample of MgB2 with a bulk superconducting transition temperature Tc=36.7 K is measured as a function of the temperature (2-300 K) and magnetic field (0-16 T), together with magnetic…

Superconductivity · Physics 2009-11-07 Y. Wang , T. Plackowski , A. Junod

We report the synthesis and physical properties of the single crystals of TaC, which are proposed to hold topological band structure as a topological superconductor (TSC) candidate. Magnetization, resistivity and specific heat measurements…

Superconductivity · Physics 2021-02-04 D. Yu. Yan , M. Yang , C. X. Wang , P. B. Song , C. J. Yi , Y. G. Shi

Sr3Ir4Sn13 is an interesting compound showing a coexistence of structural phase transition and superconductivity. The structural phase transition at 147 K leads to the formation of a superlattice. We performed optical spectroscopy…

Superconductivity · Physics 2014-07-23 A. F. Fang , X. B. Wang , P. Zheng , N. L. Wang

We report on the discovery, structural analysis, and the physical properties of Nb$_4$SiSb$_2$ -- a hitherto unknown compound crystallizing in the V$_4$SiSb$_2$-type structure with the tetragonal space group $I4/mcm$ and unit cell…

The single crystal of ThCr2Si2-type BaPd2As2 was successfully prepared by a self-flux method, and the crystal structure was characterized by X-ray diffraction method with the lattice parameters a = 4.489(2) {\AA} and c = 10.322(3) {\AA}.…

Superconductivity · Physics 2016-02-17 Qi Guo , Jia Yu , Bin-Bin Ruan , Dong-Yun Chen , Xiao-Chuan Wang , Qing-Ge Mu , Bo-Jin Pan , Gen-Fu Chen , Zhi-An Ren

NaAlSi is an sp electron superconductor crystallizing in a layered structure of the anti-PbFCl type with a relatively high transition temperature Tc of ~7 K. Recent electronic state calculations revealed the presence of topological nodal…

Superconductivity · Physics 2022-02-01 Takahiro Yamada , Daigorou Hirai , Hisanori Yamane , Zenji Hiroi

We report a detailed study of superconductivity in polycrystalline SnTaS$_2$ using electrical transport, magnetization and heat capacity measurements. SnTaS$_2$ crystallizes in centrosymmetric hexagonal structure with space group…

We found La2Sb with a layered structure composed of alternate stacking of La square nets and LaSb layers exhibits bulk superconductivity with a critical temperature of 5.3 K. This suggests that the presence of the square net with strong…

Superconductivity · Physics 2011-08-02 Hiroshi Mizoguchi , Hideo Hosono

Nb2SnC is a member of the large family of lamellar materials that crystallize in the hexagonal structure with space group P63/mmc which are isomorphs with Cr2AlC, also named H-phase. In spite of the great number of compounds which belong to…

We investigate bulk superconductivity in a high-quality single crystal of Bi$_2$Pd ($\beta$-Bi$_2$Pd, space group; I4/mmm) at temperatures less than 5.4 K by exploring its electrical resistivity, magnetic susceptibility, and specific heat.…