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We report on transport properties of the topological insulator single crystal $Sb2Te3$ nanoflakes with thickness about from 7 to 50nm. A steep drop of resistance is appeared near $3K$ in the ultrathin $Sb2Te3$ nanoflakes, manifesting a…

Superconductivity · Physics 2016-08-19 Wei-Han Tsai , Chia-Hua Chien , Ping Chung Lee , Min-Nan Ou , Sergey R. Harutyunyan , Yang-Yuan Chen

We report a high-pressure transport study of the upper-critical field, $B_{c2}(T)$, of the topological superconductor Sr$_{0.15}$Bi$_2$Se$_3$ ($T_c = 3.0$ K). $B_{c2}(T)$ was measured for magnetic fields directed along two orthogonal…

Superconductivity · Physics 2016-11-04 A. M. Nikitin , Y. Pan , Y. K. Huang , T. Naka , A. de Visser

The results of electrical resistance (1.4 - 300 K), magnetization (2-300 K) and heat-capacity (2 - 50 K) measurements in Y$_2$PdGe$_3$, found to crystallize in a AlB$_2$-derived hexagonalstructure, are reported. The results establish that…

Superconductivity · Physics 2007-05-23 E. V. Sampathkumaran , Subham Majumdar

Here we report the discovery of the first ternary molybdenum pnictide based superconductor K2Mo3As3. Polycrystalline samples were synthesized by the conventional solid state reaction method. X-ray diffraction analysis reveals a…

Superconductivity · Physics 2018-08-02 Qing-Ge Mu , Bin-Bin Ruan , Kang Zhao , Bo-Jin Pan , Tong Liu , Lei Shan , Gen-Fu Chen , Zhi-An Ren

Mixing of spin singlet and spin triplet superconducting pairing state is expected in noncentrosymmetric superconductors (NCS) due to the inherent presence of Rashba-type antisymmetric spin-orbit coupling. Unlike low symmetry (tetragonal or…

Superconductivity · Physics 2015-06-23 Bhanu Joshi , A. Thamizhavel , S. Ramakrishnan

Single crystals of RbOs2O6 have been grown from Rb2O and Os in sealed quartz ampoules. The crystal structure has been identified at room temperature as cubic with the lattice constant a = 10.1242(12) A. The anisotropy of the tetrahedral and…

Superconductivity · Physics 2009-11-13 K. Rogacki , G. Schuck , Z. Bukowski , N. D. Zhigadlo , J. Karpinski

We report the successful synthesis of single-crystalline cuprate superconductors HgBa$_{2}$CaCu$_{2}$O$_{6+\delta}$ and HgBa$_{2}$Ca$_{2}$Cu$_{3}$O$_{8+\delta}$. These compounds are well-known for their high optimal superconducting critical…

We report synthesis and properties of superconducting Bi$_2$PdPt, a new member of Bi-Pd based compounds known for their simultaneous existence of topological surfaces states and superconductivity. It crystallizes in a hexagonal structure…

Superconductivity · Physics 2022-08-17 A. Kataria , T. Agarwal , S. Sharma , D. Singh , S. Marik , R. P. Singh

We report the effect of hydrostatic pressure (0-1.97GPa) on the superconductivity of BiS2 based CeO0.5F0.5BiS2 compound. The CeO0.5F0.5BiS2 superconductor was synthesized by the solid state reaction route and the compound is crystallized in…

Superconductivity · Physics 2015-06-19 Rajveer Jha , H. Kishan , V. P. S. Awana

The kagome metals $A$V$_3$Sb$_5$ ($A=$ K, Rb, Cs) under ambient pressure exhibit an unusual charge order, from which superconductivity emerges. In this work, by applying hydrostatic pressure using a liquid pressure medium and carrying out…

Superconductivity · Physics 2022-06-22 Feng Du , Shuaishuai Luo , Rui Li , Brenden R. Ortiz , Ye Chen , Stephen D. Wilson , Yu Song , Huiqiu Yuan

The recently discovered ATi$_3$Bi$_5$ (A=Cs, Rb) exhibit intriguing quantum phenomena including superconductivity, electronic nematicity, and abundant topological states, which provide promising platforms for studying kagome…

Superconductivity · Physics 2023-10-31 Xin-Wei Yi , Zheng-Wei Liao , Jing-Yang You , Bo Gu , Gang Su

Pressure induced superconductivity in non-centrosymmetric CeRhSi$_{3}$ and CeIrSi$_{3}$ compounds has attracted significant attention of the scientific community since its discovery 15 years ago. Up-to-date, all reported experimental…

This work reports superconductivity studies in the intermetallic Ti$_{0.85}$Pd$_{0.15}$ performed in normal conditions and under hydrostatic pressure. The crystal structure of the compound has a body centered cubic at room temperature and…

Superconductivity · Physics 2020-05-20 C. Reyes-Damián , F. Morales , Esmeralda Martínez-Piñeiro , Roberto Escudero

Single crystals of La(O,F)BiSSe were successfully grown by a CsCl flux method. Single crystal X-ray structural analysis revealed that the crystal structure is isostructural with BiS$_2$- or BiSe$_2$-based compounds with space group $P4/nmm$…

Electrical resistivity experiments show superconductivity at $T_c = 1.1\,$K in a high-quality single crystal of trigonal $\gamma$-PtBi$_2$, with an enhanced critical magnetic field $\mu_0H_{c2}(0) \gtrsim 1.5\,$Tesla and a low critical…

Superconductivity · Physics 2024-04-10 J. Zabala , P. Pedrazzini , F. J. Castro , V. F. Correa

By varying the parameters controlling the growth of crystals, including the thermodynamic variables, such as temperature, pressure, and reagent composition and the kinetic factors, namely reaction time and cooling rate, we found the most…

Superconductivity · Physics 2019-06-26 Nikolai D. Zhigadlo

Heat capacity, magnetic susceptibility, NMR, and resistivity of SrNi2P2 single crystals are presented, illustrating a purely structural transition at 325 K with no magnetism. Bulk superconductivity is found at 1.4 K. The magnitude of the…

Superconductivity · Physics 2009-04-13 F. Ronning , E. D. Bauer , T. Park , S. -H Baek , H. Sakai , J. D. Thompson

We report superconductivity in single crystals of the new iron-pnictide system BaFe1.9Pt0.1As2 grown by a self-flux solution method and characterized via x-ray, transport, magnetic and thermodynamic measurements. The magnetic ordering…

Superconductivity · Physics 2010-02-04 S. R. Saha , T. Drye , K. Kirshenbaum , N. P. Butch , P. Y. Zavalij , Johnpierre Paglione

Oxygen-scavenging at oxide heterointerfaces has emerged as a powerful route for stabilizing metastable phases that exhibit interesting phenomena, including high-mobility two-dimensional electron gases and high T$_{c}$ superconductivity. We…

Superconductivity · Physics 2025-12-16 Shama , Jordan T. McCourt , Merve Baksi , Gleb Finkelstein , Divine P. Kumah

Non-centrosymmetric superconductors, whose crystal structure is absent of inversion symmetry, have recently received special attentions due to the expectation of unconventional pairings and exotic physics associated with such pairings. The…

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