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The Zintl compound AIn2X2 (A = Ca, Sr, and X = P, As), as a theoretically predicted new non-magnetic topological insulator, requires experiments to understand their electronic structure and topological characteristics. In this paper, we…

We report the magnetization, electrical resistivity, specific heat measurements and band structure calculations of layered superconductor SnTaS$_2$. The experiments are performed on single crystals grown by chemical vapor transport method.…

Alloying indium into the topological insulator Sn1-xInxBi2Te4 induces bulk superconductivity with critical temperatures Tc up to 1.85 K and upper critical fields up to about 14 kOe. This is confirmed by electrical resistivity, heat…

The search for nontrivial superconductivity in novel quantum materials is currently a most attractive topic in condensed matter physics and material science. The experimental studies have progressed quickly over the past couple of years. In…

Topological materials which are also superconducting are of great current interest, since they may exhibit a non-trivial topologically-mediated superconducting phase. Although there have been many reports of pressure-tuned or…

Superconductivity · Physics 2019-05-22 Y. L. Zhu , J. Hu , F. N. Womack , D. Graf , Y. Wang , P. W. Adams , Z. Q. Mao

We report the synthesis, crystal structure, superconductivity and physical property characterizations of the ternary equiatomic compound ScRuSi. Polycrystalline samples of ScRuSi were prepared by an arc-melting method. The as-prepared…

Superconductivity · Physics 2017-11-16 Bin-Bin Ruan , Xiao-Chuan Wang , Jia Yu , Bo-Jin Pan , Qing-Ge Mu , Tong Liu , Gen-Fu Chen , Zhi-An Ren

Two-dimensional (2D) intrinsic superconductors with nontrivial topological band and vertical ferroelectricity exhibit fascinating characteristics to achieving electrostatic control of quantum phases. While, only a few such 2D materials have…

Superconductivity · Physics 2024-05-01 Xin-Zhu Yin , Na Jiao , Jinlian Lu , Meng-Meng Zheng , Hong-Yan Lu , Ping Zhang

Materials exhibiting bulk superconductivity along with magnetoresistance (MR) in their normal state have emerged as suitable candidates for topological superconductivity. In this article, we report a flux free method to synthesize single…

Superconductivity · Physics 2022-08-17 M. M. Sharma , Poonam Rani , V. P. S. Awana

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…

The pressure-temperature-phase diagram of the new heavy-fermion superconductor CeAu$_2$Si$_2$ is markedly different from those studied previously. Indeed, superconductivity emerges, not on the verge, but deep inside the magnetic phase. In…

Strongly Correlated Electrons · Physics 2017-06-02 Gernot W. Scheerer , Gaétan Giriat , Zhi Ren , Gérard Lapertot , Didier Jaccard

The noncentrosymmetric Half Heusler compound YPtBi exhibits superconductivity below a critical temperature T_c = 0.77 K with a zero-temperature upper critical field H_c2(0) = 1.5 T. Magnetoresistance and Hall measurements support…

Superconductivity · Physics 2011-12-22 Nicholas P. Butch , P. Syers , Kevin Kirshenbaum , Andrew P. Hope , Johnpierre Paglione

Topological superconductivity is an exotic quantum phenomenon with coupled nontrivial topological order and superconductivity together. A direct idea for producing topological superconductors is to create superconductivity based on the well…

Superconductivity · Physics 2022-08-23 Hao Yu , Noah F. Q. Yuan , Wei-Jian Li , Liu-Cheng Chen , Zi-Yu Cao , Di Li , Xiaoying Qin , Chang-De Gong , Xiao-Jia Chen

Organometallic compounds constitute a very large group of substances that contain at least one metal-to-carbon bond in which the carbon is part of an organic group. They have played a major role in the development of the science of…

Here we report the anisotropic magnetotransport properties in the superconducting state of Sn$_4$Au single crystal. Sn$_4$Au single crystal is synthesized through an easy melt growth method. Superconducting properties are evidenced by…

Superconductivity · Physics 2023-05-03 M. M. Sharma , Ganesh Gurjar , S. Patnaik , V. P. S. Awana

Here we report the discovery of superconductivity in the ternary LaRu2As2 compound. The polycrystalline LaRu2As2 samples were synthesized by the conventional solid state reaction method. Powder X-ray diffraction analysis indicates that…

Superconductivity · Physics 2016-05-31 Qi Guo , Bo-Jin Pan , Jia Yu , Bin-Bin Ruan , Dong-Yun Chen , Xiao-Chuan Wang , Qing-Ge Mu , Gen-Fu Chen , Zhi-An Ren

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

We measured the ultra-low-temperature specific heat and thermal conductivity of Au$_2$Pb single crystal, a possible three-dimensional Dirac semimetal with a superconducting transition temperature $T_c \approx$ 1.05 K. The electronic…

Superconductivity · Physics 2017-03-08 Y. J. Yu , Y. Xu , Y. Xing , J. Zhang , T. P. Ying , X. C. Hong , M. X. Wang , X. Zhang , S. Jia , J. Wang , S. Y. Li

First-principles investigation within the density functional theory is utilized to explore the physical properties of a superconducting topological semimetal Sn4Au under pressure within the range of 0-5 GPa. According to the computed…

Materials Science · Physics 2024-08-15 M. Abdul Hadi Shah , M. I. Naher , S. H. Naqib

We have studied the half-Heusler compound TbPdBi through resistivity, magnetization, Hall effect and heat capacity measurements. A semimetal behavior is observed in its normal state transport properties, which is characterized by a large…

Superconductivity · Physics 2018-08-01 H. Xiao , T. Hu , W. Liu , Y. L. Zhu , P. G. Li , G. Mu , J. Su , K. Li , Z. Q. Mao

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
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