A unique van Hove singularity in kagome superconductor CsV3-xTaxSb5 with enhanced superconductivity

Van Hove singularity (VHS) has been considered as a driving source for unconventional superconductivity. A VHS in two-dimensional (2D) materials consists of a saddle point connecting electron-like and hole-like bands. In a rare case, when a VHS appears at Fermi level, both electron-like and hole-lik...

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Veröffentlicht in:	Nature communications 2023-06, Vol.14 (1), p.3819-3819, Article 3819
Hauptverfasser:	Luo, Yang, Han, Yulei, Liu, Jinjin, Chen, Hui, Huang, Zihao, Huai, Linwei, Li, Hongyu, Wang, Bingqian, Shen, Jianchang, Ding, Shuhan, Li, Zeyu, Peng, Shuting, Wei, Zhiyuan, Miao, Yu, Sun, Xiupeng, Ou, Zhipeng, Xiang, Ziji, Hashimoto, Makoto, Lu, Donghui, Yao, Yugui, Yang, Haitao, Chen, Xianhui, Gao, Hong-Jun, Qiao, Zhenhua, Wang, Zhiwei, He, Junfeng
Format:	Artikel
Sprache:	eng
Schlagworte:	140/146 147/138 639/766/119/1003 639/766/119/995 Chemical potential CONDENSED MATTER PHYSICS, SUPERCONDUCTIVITY AND SUPERFLUIDITY Doping Electrons Fermi level Humanities and Social Sciences multidisciplinary Photoelectric emission Pressure dependence Saddle points Scanning tunneling microscopy Science Science (multidisciplinary) Singularities Superconductivity Transition temperature Transition temperatures Two dimensional materials Unconventional superconductivity
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