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We report a comprehensive investigation of the physical properties of LuOs3B2, characterized by an ideal Os-based kagome lattice. Resistivity and magnetization measurements confirm the emergence of type-II bulk superconductivity with a…

La3Co4Sn13 is a superconducting material with transition temperature at Tc = 2.70 K, which presents a superlattice structural transition at T* ~ 150 K, a common feature for this class of compounds. However, for this material, it is not…

The Heusler compound ScInAu$_2$ was previously reported to have a superconducting ground state with a critical temperature of 3.0 K. Recent high throughput calculations have also predicted that the material harbors a topologically…

Superconductivity · Physics 2021-08-25 J. M. DeStefano , G. P. Marciaga , J. B. Flahavan , U. S. Shah , T. A. Elmslie , M. W. Meisel , J. J. Hamlin

We discovered the enhancement of superconducting transition temperature, Tc, in yttrium sesquicarbide system with the maximum Tc of Tc=18K and their superconducting properties were discussed. The crystal structure of Y2C3 is the…

Superconductivity · Physics 2007-05-23 G. Amano , S. Akutagawa , T. Muranaka , Y. Zenitani , J. Akimitsu

This article updates version 1 by restricting consideration to only the resistive data and excluding the questioned 287.7-K datum reported for carbonaceous sulfur hydride in Snider et al., Nature $\textbf{585}$, 373 (2020). The…

Superconductivity · Physics 2023-07-18 Dale R. Harshman , Anthony T. Fiory

Superconductivity is a fascinating quantum phenomenon characterized by zero electrical resistance and the Meissner effect. To date, several distinct families of superconductors (SCs) have been discovered. These include three-dimensional…

Materials Science · Physics 2017-11-27 Xiaoming Zhang , Yinong Zhou , Bin Cui , Mingwen Zhao , Feng Liu

Topological superconductors are an exciting class of quantum materials from the point of view of the fundamental sciences and potential technological applications. Here, we report on the successful introduction of superconductivity in a…

We report the electronic properties of superconductivity in the topological nodal-line semimetal PbTaSe$_2$. Angle-resolved photoemission measurements accompanied by band calculations confirmed the nodal-line band structure in the normal…

Superconductivity · Physics 2016-02-24 Cheng-Long Zhang , Zhujun Yuan , Guang Bian , Su-Yang Xu , Xiao Zhang , M. Zahid Hasan , Shuang Jia

Recently superconductivity was discovered in the Kagome metal AV3Sb5 (A = K, Rb, and Cs), which has an ideal Kagome lattice of vanadium. These V-based superconductors also host charge density wave (CDW) and topological nontrivial band…

High-quality polycrystalline SmFeAsO0.75 was synthesized with a superconducting transition width less than 1 K, and the electronic behavior was systematically studied by transport and specific heat measurements. An obvious superconducting…

Superconductivity · Physics 2011-05-10 Y. Sun , Y. Ding , B. C. Zheng , Z. X. Shi , Z. A. Ren

Recently, the Ruddlesden-Popper bilayer nickelate $La_3Ni_2O_7$ has emerged as a superconductor with a transition temperature ($T_c$) of approximately 80 K above 14 GPa (Refs. 1-3). Achieving higher $T_c$ in nickelate superconductors, along…

Kagome lattice systems have been proposed to host rich physics, which provide an excellent platform to explore unusual quantum states. Here, we report on the discovery of superconductivity in van der Waals material Pd3P2S8 under pressure.…

The recent discovery of superconductivity in hydrogen-rich compounds has garnered significant experimental and theoretical interest because of the record-setting critical temperatures. As the direct observation of the superconducting (SC)…

A generalized model for the critical temperature Tc of superconducting bilayers is presented, which is valid with no restrictions to film thicknesses, Tc of the layers and interface resistivity. The model is verified experimentally on a…

Superconductivity · Physics 2009-11-10 G. Brammertz , A. A. Golubov , P. Verhoeve , R. den Hartog , A. Peacock , H. Rogalla

We report the results of resistance measurements under pressure up to $4.2\,\mathrm{GPa}$ on single-crystalline $\mathrm{CaSb}_2$ , which shows the maximum of superconducting transition temperature $T_\mathrm{c}$ at $3.1\,\mathrm{GPa}$. At…

Superconductivity · Physics 2025-11-05 Shumpei Oguchi , Kenji Ishida , Atsutoshi Ikeda , Yoshiteru Maeno , Shunsaku Kitagawa

Some of the highest-transition-temperature superconductors across various materials classes exhibit linear-in-temperature `strange metal' or `Planckian' electrical resistivities in their normal state. It is thus believed by many that this…

Superconductivity · Physics 2021-07-22 D. H. Nguyen , A. Sidorenko , M. Taupin , G. Knebel , G. Lapertot , E. Schuberth , S. Paschen

The ternary iron arsenide BaFe2As2 becomes superconducting by hole doping, which was achieved by partial substitution of the barium site with potassium. We have discovered bulk superconductivity up to Tc = 38 K in (Ba1-xKx)Fe2As2 with x =…

Superconductivity · Physics 2008-09-06 Marianne Rotter , Marcus Tegel , Dirk Johrendt

Polycrystalline sample of superconducting ThIr$_{3}$ was obtained by arc-melting Th and Ir metals. Powder x-ray diffraction revealed that the compound crystalizes in a rhombohedral crystal structure (R-3m, s.g. no. 166) with the lattice…

Sn is a well-known classical superconductor on the border between type I and type II with critical temperature of 3.722K and critical field of 0.031T. We show by means of specific heat and electric magneto-transport data that its critical…

Superconductivity · Physics 2016-01-21 Ying Zhang , Chi Ho Wong , Junying Shen , Sin Ting Sze , Yan Dong , Hui Xu , Zifeng Yan , Yingying Li , Xijun Hu , Rolf Lortz

We report X-ray diffraction patterns and calculated electronic band structures of the Dirac line-nodal material CaSb$_2$ under pressure. Its superconducting transition temperature ($T_{\mathrm{c}}=1.7$ K) increases under pressure and…