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For the first time, we have reported in this study an ab initio investigation on elastic properties, Debye temperature, Mulliken population, Vickers hardness, and charge density of superconducting ScRhP and ScIrP phosphides. The optimized…

We report superconductivity in the ternary compound IrBi$_{0.8}$Te$_{1.2}$ with critical temperature 1.7 K. The replacement of Bi by Te leads to the metallic conductivity in contrast to the semiconducting parent compound IrBiTe. The…

Superconductivity · Physics 2024-09-10 Qing-Ge Mu , Walter Schnelle , Guo-Wei Li , Horst Bormann , Claudia Felser , Sergey Medvedev

Full Heusler alloys XInPd2 (X= Zr, Hf and Ti) have recently attracted significant attention owing to their symmetry-driven electronic structure and also due to the interplay between disorder and emergent ground states. Within this family,…

Superconductivity · Physics 2026-04-22 Kavita Yadav , Anoop M Divakaran , Jumpei G. Nakamura , Tsunehiro Takeuchi , K. Mukherjee

The ThIrSi superconductor, with $T_c = 6.5$ K, is expected to show unusual features in view of its noncentrosymmetric structure and the presence of heavy elements featuring a sizable spin-orbit coupling. Here, we report a comprehensive…

Superconductivity · Physics 2023-02-17 D. Tay , T. Shang , Priscila F. S. Rosa , F. B. Santos , J. D. Thompson , Z. Fisk , H. -R. Ott , T. Shiroka

The discovery of superconductivity with a critical temperature exceeding 55 K in the iron-oxypnictides and related compounds has quite suddenly given the community a new set of materials - breaking the tyranny of copper. This new class of…

We report synthesis and superconductivity at 3.7K in PrO0.5F0.5BiS2. The newly discovered material belongs to the layered sulfide based REO0.5F0.5BiS2 compounds having ZrCuSiAs type structure. The bulk polycrystalline compound is…

Superconductivity · Physics 2013-03-08 Rajveer Jha , Anuj Kumar , Shiva Kumar Singh , V. P. S. Awana

We investigate the structure and physical properties of the undoped bilayer silicene through first-principles calculations and find the system is intrinsically metallic with sizable pocket Fermi surfaces. When realistic electron-electron…

Superconductivity · Physics 2013-08-13 Feng Liu , Cheng-Cheng Liu , Kehui Wu , Fan Yang , Yugui Yao

We present detailed thermodynamic and transport measurements on single crystals of the recently discovered binary intermetallic superconductor, SrSn4. We find this material to be a slightly anisotropic three-dimensional, strongly-coupled,…

Superconductivity · Physics 2015-05-30 Xiao Lin , Sergey L. Bud'ko , German D. Samolyuk , Milton S. Torikachvili , Paul C. Canfield

Van der Waals materials like NbSe$_2$ or TaS$_2$ have demonstrated Ising superconductivity down to atomically thin layers. Due to the spin-orbit coupling, these superconductors have the in-plane upper critical magnetic field far beyond the…

Superconductivity · Physics 2022-10-05 Xiaodong Hu , Ying Ran

Single crystals of NbGe$_{2}$ which crystallize in a noncentrosymmetric hexagonal structure with chirality are synthesized and their superconductivity is investigated. Type-I superconductivity is confirmed by dc magnetization, field-induced…

Superconductivity · Physics 2020-08-26 Baijiang Lv , Miaocong Li , Jia Chen , Yusen Yang , Siqi Wu , Lei Qiao , Feihong Guan , Hui Xing , Qian Tao , Guang-Han Cao , Zhu-An Xu

We report the discovery of a family of ternary platinum phosphides APt3P (A = Ca, Sr and La), which crystallize in an antiperovskite-based structure closely related to that of the heavy fermion superconductor CePt3Si. All three phosphides…

Superconductivity · Physics 2012-05-09 T. Takayama , K. Kuwano , D. Hirai , Y. Katsura , A. Yamamoto , H. Takagi

Niobium polyhydride was synthesized at high pressure and high temperature conditions by using diamond anvil cell combined with in situ high pressure laser heating techniques. High pressure electric transport experiments demonstrate that…

The normal state and superconducting properties are investigated in the phase diagram of K_xSr_{1-x}Fe_2As_2 for 0<x<1. The ground state upper critical field, H_{c2}(0), is extrapolated from magnetic field dependent resistivity…

Superconductivity · Physics 2009-03-03 B. Lv , M. Gooch , B. Lorenz , F. Chen , A. M. Guloy , C. W. Chu

We report on the observation of superconductivity in LaRh$_2$As$_2$, which is the analogue without $f$-electrons of the heavy-fermion system with two superconducting phases CeRh$_2$As$_2$. A zero-resistivity transition, a specific-heat jump…

Pressure-stabilized hydrides are a new rapidly growing class of high-temperature superconductors which is believed to be described within the conventional phonon-mediated mechanism of coupling. Here we report the synthesis of yttrium…

Given the rarity of metallic systems that exhibit ferroelectric-like transitions, it is apparently challenging to find a system that simultaneously possesses superconductivity and ferroelectric-like structural instability. Here, we report…

Topological superconductivity is an exotic phase of matter in which the fully gapped superconducting bulk hosts gapless Majorana surface states protected by topology. Intercalation of copper, strontium or niobium between the quintuple…

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 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 successfully grew the high-quality single crystal of Rb$_{0.78}$Fe$_2$Se$_{1.78}$, which shows sharp superconducting transition in magnetic susceptibility and electrical resistivity. Resistivity measurements show the onset…

Superconductivity · Physics 2011-03-02 A. F. Wang , J. J. Ying , Y. J. Yan , R. H. Liu , X. G. Luo , Z. Y. Li , X. F. Wang , M. Zhang , G. J. Ye , P. Cheng , Z. J. Xiang , X. H. Chen