Record-high Tc
Achieves the highest superconducting transition temperature among ambient-pressure AV₃Sb₅ variants, with a van Hove singularity perfectly aligned at the Fermi level, offering an ideal platform for unconventional superconductivity.
Luo, Yang · Han, Yulei · Liu, Jinjin · Chen, Hui · Huang, Zihao · Li, Hongfu · Wang, Bingqian · Shen, Jianchang · Li, Zeyu · Peng, Shuting · Wei, Zhiyuan · Yu, Miao · Sun, Xiepeng · Xiang, Ziji · Hashimoto, Makoto · Lu, Donghui · Yao, Yugui · Yang, Haitao · Chen, Xianhui · Gao, Hongjun · Qiao, Zhenhua · Wang, Zhiwei · He, Junfeng
Nature Communications 2023
Record-high superconducting transition temperature among all current variants of AV₃Sb₅ (A = Cs, Rb, K) at ambient pressure
VHS perfectly aligned with the Fermi level at x ~ 0.4