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We report the discovery of superconductivity in the ternary aluminide Nb$_{5}$Sn$_{2}$Al, which crystallizes in the W$_{5}$Si$_{3}$-type structure with one-dimensional Nb chains along the $c$-axis. It is found that the compound has a…

Superconductivity · Physics 2019-02-12 Jifeng Wu , Bin Liu , Yanwei Cui , Hangdong Wang , Zhicheng Wang , Zhi Ren , Guanghan Cao

Superconductivity is observed with critical temperatures near 9K in the tetragonal compound Mo5PB2. This material adopts the Cr5B3 structure type common to supercondcuting Nb5Si3-xBx, Mo5SiB2, and W5SiB2, which have critical temperatures of…

Superconductivity · Physics 2016-03-10 Michael A. McGuire , David S. Parker

In 2023, superconductivity in La$_3$Ni$_2$O$_7$ was discovered under high pressures above approximately 14 GPa. In addition to its high transition temperature ($T_{\mathrm{c}} \simeq 80$ K), the structural resemblance to…

Superconductivity · Physics 2026-03-19 Hiroya Sakurai , Yoshihiko Takano

Quantum materials with non-trivial band topology and bulk superconductivity are considered superior materials to realize topological superconductivity. In this regard, we report detailed Density Functional Theory (DFT) calculations and Z2…

Superconductivity · Physics 2021-08-24 N. K. Karn , M. M. Sharma , Prince Sharma , Ganesh Gurjar , S. Patnaik , V. P. S. Awana

We suggest a new family of Co/Ni-based materials that may host unconventional high temperature superconductivity (high-T$_c$). These materials carry layered square lattices with each layer being formed by vertex-shared transition metal…

Superconductivity · Physics 2017-02-15 Jiangping Hu , Congcong Le

Topological superconductors have drawn significant interest from the scientific community due to the accompanying Majorana fermions. Here, we report the discovery of electronic structure and superconductivity in high-entropy ceramics…

We report a high-throughput ab-initio study of the thermodynamic and superconducting proper- ties of the recently synthesized XB$_3$C$_3$ clathrates. These compounds, in which boron and carbon form a sponge-like network of interconnected…

Superconductivity · Physics 2022-03-14 Simone Di Cataldo , Shadi Qulaghasi , Giovanni B. Bachelet , Lilia Boeri

Scanning tunneling spectroscopy at very low temperature on homogeneously disordered superconducting Titanium Nitride thin films reveals strong spatial inhomogeneities of the superconducting gap $\Delta$ in the density of states. Upon…

Mesoscale and Nanoscale Physics · Physics 2009-11-13 B. Sacepe , C. Chapelier , T. I. Baturina , V. M. Vinokur , M. R. Baklanov , M. Sanquer

Crystal structure searching and ab initio calculations have been used here to explore low-energy structures of boron carbides under high pressure. Under pressures of 85-110 GPa, a metastable B6C with R-3m symmetry is found to be…

Materials Science · Physics 2018-01-01 Kang Xia , Mengdong Ma , Cong Liu , Hao Gao , Qun Chen , Julong He , Jian Sun , Hui-Tian Wang , Yongjun Tian , Dingyu Xing

We report the discovery of superconductivity in binary alloy Sn$_{1-x}$Sb$_{x}$ with $x$ in the range of 0.43 to 0.6, which possesses a modulated rhombohedral structure due to the incommensurate ordering of Sn and Sb layers along the…

Thin films of $ \beta- $tungsten host superconductivity in the presence of strong spin-orbit coupling. This non-equilibrium crystalline phase of tungsten has attracted considerable attention in recent years due to its giant spin Hall effect…

Superconductivity · Physics 2022-03-03 Prashant Chauhan , Ramesh Budhani , N. P. Armitage

Evolutionary structure searches revealed a plethora of stable and low-enthalpy metastable phases in the S-P-H ternary phase diagram under pressure. A wide variety of crystalline structure types were uncovered ranging from those possessing…

Superconductivity · Physics 2022-05-04 Nisha Geng , Tiange Bi , Eva Zurek

The long-sought goal of room-temperature superconductivity has reportedly recently been realized in a carbonaceous sulfur hydride compound under high pressure, as reported by Snider et al. [1]. The evidence presented in that paper is…

Superconductivity · Physics 2021-08-31 J. E. Hirsch , F. Marsiglio

Room-temperature superconductivity has been a long-standing goal for scientific progress and human development. Thermodynamic stability is a prerequisite for material synthesis and application. Here, we perform a combination of…

Superconductivity · Physics 2025-01-03 Decheng An , Defang Duan , Zihan Zhang , Qiwen Jiang , Hao Song , Tian Cui

We report an investigation of the London penetration depth $\Delta\lambda(T)$ on single crystals of the layered superconductor Ta$_4$Pd$_3$Te$_{16}$, where the crystal structure has quasi-one-dimensional characteristics. A linear…

Superconductivity · Physics 2018-01-15 G. M. Pang , M. Smidman , W. H. Jiao , L. Jiao , Z. F. Weng , W. B. Jiang , C. Y. Guo , Y. Chen , G. H. Cao , H. Q. Yuan

The recent report of near-ambient superconductivity in nitrogen-doped lutetium hydrides (Lu-N-H) has generated a great interest. However, conflicting results have raised doubts regarding superconductivity. Here, we combine high-throughput…

Superconductivity · Physics 2024-06-12 Yue-Wen Fang , Ðorđe Dangić , Ion Errea

Crystalline two-dimensional (2D) superconductors with low carrier density are an exciting new class of materials in which superconductivity coexists with strong interactions, the effects of complex topology are not obscured by disorder, and…

The discovery of a record high superconducting transition temperature (Tc) of 288 K in a pressurized hydride inspires new hope to realize ambient condition superconductivity. Here, we give a perspective on the theoretical and experimental…

Superconductivity · Physics 2021-12-21 Dong Wang , Yang Ding , Ho-Kwang Mao

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

We show the effect of Cl and S functionalization on the superconducting properties of layered (bulk) and monolayer niobium carbide (Nb$_2$C) MXene crystals, based on first-principles calculations combined with Eliashberg theory. For the…

Superconductivity · Physics 2023-06-21 Cem Sevik , Jonas Bekaert , Milorad V. Milosevic