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11 papers · 2 filters
CaPtAs: a new noncentrosymmetric superconductor
W. Xie, P. R. Zhang, B. Shen +6
We report the discovery of a new noncentrosymmetric superconductor CaPtAs. It crystallizes in a tetragonal structure (space group , No.109), featuring three dimensional hon…
Anomalous sharp peak in the London penetration depth induced by the nodeless-to-nodal superconducting transition in BaFe(AsP)
Huai-Xiang Huang, Wei Li, Yi Gao +2
The issue of whether the quantum critical point (QCP) is hidden inside unconventional superconductors is a matter of hot debate. Although a prominent experiment on London penetrati…
Exploring Topological Superconductivity in Topological Materials
Yupeng Li, Zhu-An Xu
The exploration of topological superconductivity and Majorana zero modes has become a rapidly developing field. Many types of proposals to realize topological superconductors have…
Evidence for singular-phonon-induced nematic superconductivity in a topological superconductor candidate SrBiSe
Jinghui Wang, Kejing Ran, Shichao Li +11
Superconductivity mediated by phonons is typically conventional, exhibiting a momentum-independent s-wave pairing function, due to the isotropic interactions between electrons and…
Ionic-liquid-gating induced protonation and superconductivity in FeSe, FeSe0.93S0.07, ZrNCl, 1T-TaS2, and Bi2Se3
Y. Cui, Z. Hu, J. S. Zhang +14
We report protonation in several compounds by an ionic-liquid-gating method, with optimized gating conditions. This leads to single superconducting phases for several compounds. No…
Single full gap with mixed type-I and type-II superconductivity on surface of the type-II Dirac semimetal PdTe2 by point-contact spectroscopy
Tian Le, Lichang Yin, Zili Feng +5
We report our point-contact spectroscopy (PCS) study on the superconducting state of the type-II Dirac semimetal PdTe with a superconducting transition temperature $T\rm_c \sim…