English
Related papers

Related papers: Type-I superconductivity in noncentrosymmetric NbG…

200 papers

A systematic study of the superconducting properties in a series of arc-melted Nb-B samples close to the 1:1 composition was carried out. Powder X-ray diffraction (XRD) shows that all samples are both non-stoichiometric, and comprising of…

Superconductivity · Physics 2017-08-30 F. Abud , L. E. Correa , I. R. Souza , A. J. S. Machado , M. S. Torikachvili , R. F. Jardim

We study the structural and bulk superconducting properties of self flux grown PdBi2Te3 single crystal. Phase purity of as grown crystal is confirmed by Rietveld refinement of gently crushed powder XRD of the same. PdBi2Te3 crystallizes in…

Superconductivity · Physics 2019-12-23 M. M. Sharma , Lina Sang , Poonam Rani , X. L. Wang , V. P. S. Awana

AuBe is a chiral, non-centrosymmetric superconductor with transition temperature $T_C$ $\simeq$ 3.25 K. The broken inversion symmetry in its crystal structure makes AuBe a possible candidate to host a mixed singlet-triplet pairing symmetry…

We report the discovery of a new noncentrosymmetric superconductor CaPtAs. It crystallizes in a tetragonal structure (space group $I4_1md$, No.109), featuring three dimensional honeycomb networks of Pt-As and a much elongated $c$-axis ($a =…

Superconductivity · Physics 2020-01-22 W. Xie , P. R. Zhang , B. Shen , W. B. Jiang , G. M. Pang , T. Shang , C. Cao , M. Smidman , H. Q. Yuan

We examine the evidence for multiband superconductivity and non s-wave pairing in the non-centrosymmetric superconductor Nb$_{0.18}$Re$_{0.82}$, using electrical transport, magnetization and specific heat measurements. In the normal state,…

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…

It is widely perceived that the correlation effect may play an important role in several unconventional superconducting families, such as cuprate, iron-based and heavy-fermion superconductors. The application of high pressure can tune the…

Superconductivity · Physics 2019-02-15 Enyu Wang , Jing Si , Xiyu Zhu , Guan-Yu Chen , Hai Lin , Hai-Hu Wen

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…

Layered transition-metal dichalcogenides 1T-TaS2-xSex (0<=x<=2) single crystals have been successfully fabricated by using a chemical vapor transport technique in which Ta locates in octahedral coordination with S and Se atoms. This is the…

Superconductivity · Physics 2013-03-28 Yu Liu , Ran Ang , Wenjian Lu , Wenhai Song , Lijun Li , Yuping Sun

We report on the microscopic superconducting properties of the Dirac semimetal PdTe2. In this study, we have focused on mosaic crystals of PdTe2, and used detailed zero field and transverse field muon spin relaxation/rotation ($\mu$SR),…

Superconductivity · Physics 2026-04-14 Ritu Gupta , Catherine Witteveen , Debarchan Das , Fabian O. von Rohr , Rustem Khasanov

In this paper, we reported the structural properties and superconductivity of Mg(B1-xCx)2 compounds. Powder x-ray diffraction results indicate that the samples crystallize in a hexagonal AlB2-type structure. Due to the chemical activity of…

Materials Science · Physics 2009-11-07 Shao-ying Zhang , Jian Zhang , Tong-yun Zhao , Chuan-bing Rong , Bao-gen Shen , Zhao-hua Cheng

The non-centrosymmetric Weyl semimetal candidate, MoTe$_2$ was investigated through neutron diffraction and transport measurements at pressures up to 1.5 GPa and at temperatures down to 40 mK. Centrosymmetric and non-centrosymmetric…

The superconductivity in the Bi-II phase of elemental Bismuth (transition temperature $T_{\rm c}\simeq3.92$ K at pressure $p\simeq 2.80$ GPa) was studied experimentally by means of the muon-spin rotation as well as theoretically by using…

A perfect topological superconductor can be realized by the simultaneous existence of bulk superconductivity along with topological non-trivial surface states. In this article, we report single crystal growth of superconducting binary…

Superconductivity · Physics 2022-06-29 M. M. Sharma , N. K. Karn , Poonam Rani , R. N. Bhowmik , V. P. S. Awana

A nematic topological superconductor has an order parameter symmetry, which spontaneously breaks the crystalline symmetry in its superconducting state. This state can be observed, for example, by thermodynamic or upper critical field…

The topic of superconductivity in strongly disordered materials has attracted a significant attention. In particular vivid debates are related to the subject of intrinsic spatial inhomogeneity responsible for non-BCS relation between the…

A polycrystalline sample of YNiGe3, being a non-magnetic isostructural counterpart to the unconventional pressure-induced superconductor CeNiGe3, was studied by means of specific heat and electrical resistivity measurements at temperatures…

Superconductivity · Physics 2011-06-22 Adam P. Pikul , Daniel Gnida

Transport and thermodynamic properties of a sintered pellet of the newly discovered $MgB_2$ superconductor have been measured to determine the characteristic critical magnetic fields and critical current densities. Both resistive transition…

Superconductivity · Physics 2009-11-07 D. K. Finnemore , J. E. Ostenson , S. L. Bud'ko , G. Lapertot , P. C. Canfield

Superconducting topological materials have generated considerable interest in condensed matter research due to their unusual gap structures and topological properties. In this study, we have investigated the normal and superconducting…

Superconductivity · Physics 2023-04-26 C. Patra , T. Agarwal , Rajeshwari R. Chowdhury , R. P. Singh

We measure the transport properties of mechanically strained single crystals of BaFe$_{2}$(As$_{1-x}$P$_{x}$)$_{2}$ over a wide range of $x$. The N\'eel transition is extremely sensitive to stress and this sensitivity increases as optimal…

Superconductivity · Physics 2015-06-05 H-. H. Kuo , James G. Analytis , J. -H. Chu , R. M. Fernandes , J. Schmalian , I. R. Fisher