# Superconducting phase diagram and nontrivial band topology of structurally modulated Sn1−xSbx

@article{Liu2019SuperconductingPD,
title={Superconducting phase diagram and nontrivial band topology of structurally modulated
Sn1−xSbx},
author={Bin Liu and Chengcheng Xiao and Qinqing Zhu and Jifeng Wu and Yan-Wei Cui and Hangdong Wang and Zhicheng Wang and Yunhao Lu and Zhi-An Ren and Guanghan Cao},
journal={Physical Review Materials},
year={2019}
}
• Bin Liu
• Published 30 June 2019
• Physics, Materials Science
• Physical Review Materials
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 $c$-axis. The specific heat measurements indicate a weakly coupled, fully gapped superconducting state in this homogeneity range with a maximum bulk $T_{\rm c}$ of 1.58 K at $x$ = 0.46, though the electronic specific heat and Hall coefficients remain nearly $x… 3 Citations ## Figures and Tables from this paper • Materials Science Journal of Materials Science • 2020 The topological behavior of heavy metal alloys opens a vast area for incredible research and future technology. Here, we extend our previous report about the superconducting properties of Sn 0.4 Sb ## References SHOWING 1-10 OF 66 REFERENCES • Physics • 2014 The layered, noncentrosymmetric heavy element${\text{PbTaSe}}_{2}$is found to be superconducting. We report its electronic properties accompanied by electronic-structure calculations. Specific • Physics Superconductor Science and Technology • 2018 We report the results of electrical resistivity, magnetic, and thermodynamic measurements on polycrystalline SnSb, whose structure consists of stacks of Sb bilayers and Sn4Sb3 septuple layers along • Physics • 2014 3D Dirac semi-metals (DSMs) are materials that have massless Dirac electrons and exhibit exotic physical properties It has been suggested that structurally distorting a DSM can create a Topological • Physics • 2016 The search for unconventional superconductivity has been focused on materials with strong spin-orbit coupling and unique crystal lattices. Doped bismuth selenide (Bi2Se3) is a strong candidate, given • Physics • 2016 Bulk superconductivity has been discovered in Tl0.6Bi2Te3, which is derived from the topological insulator Bi2Te3. A superconducting volume fraction of up to 95% (determined from the specific heat) • Materials Science, Physics Inorganic chemistry • 2019 A weak electron-phonon coupling was observed in intergranular linked InSn superconductors over an infinite range mediated by high-energy phonons. • Physics Physical review letters • 2010 It is shown that copper intercalation in the van der Waals gaps between the Bi2Se3 layers, yielding an electron concentration of approximately 2x10{20} cm{-3}, results in superconductivity at 3.8 K in CuxBi2 Se3 for 0.12<or=x<or =0.15. • Physics Physical review letters • 2014 The discovery of surface states in the perovskite superconductor Tl5Te3 and its nonsuperconducting tin-doped derivative as observed by angle-resolved photoemission spectroscopy suggests that the surface states are protected by a Z2 topology of the bulk band structure. • Physics • 2007 Topological insulators are materials with a bulk excitation gap generated by the spin-orbit interaction that are different from conventional insulators. This distinction is characterized by${Z}_{2}\$
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We study the electronic surface states of the semiconducting alloy bismuth antimony Bi1�xSbx. Using a phenomenological tight-binding model, we show that the Fermi surface for the 111 surface states