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Yongqing Cai
Researcher at Chinese Academy of Sciences
Publications - 37
Citations - 691
Yongqing Cai is an academic researcher from Chinese Academy of Sciences. The author has contributed to research in topics: Superconductivity & Angle-resolved photoemission spectroscopy. The author has an hindex of 7, co-authored 37 publications receiving 349 citations.
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Journal ArticleDOI
Universal mechanical exfoliation of large-area 2D crystals
Yuan Huang,Yuhao Pan,Rong Yang,Lihong Bao,Lei Meng,Hailan Luo,Yongqing Cai,Guodong Liu,Wenjuan Zhao,Zhang Zhou,Liangmei Wu,Zhi-Li Zhu,Ming Huang,Liwei Liu,Lei Liu,Peng Cheng,Kehui Wu,Shibing Tian,Changzhi Gu,Youguo Shi,Yanfeng Guo,Zhi Gang Cheng,Jiangping Hu,Lin Zhao,Guanhua Yang,Eli Sutter,Peter Sutter,Yeliang Wang,Yeliang Wang,Wei Ji,Xingjiang Zhou,Hong-Jun Gao +31 more
TL;DR: In this article, a contamination-free, one-step and universal Au-assisted mechanical exfoliation method was proposed to isolate 40 types of single-crystalline monolayers, including elemental two-dimensional crystals, metal-dichalcogenides, magnets and superconductors.
Journal ArticleDOI
Universal mechanical exfoliation of large-area 2D crystals
Yuan Huang,Yuhao Pan,Rong Yang,Lihong Bao,Lei Meng,Hailan Luo,Yongqing Cai,Guodong Liu,Wenjuan Zhao,Zhang Zhou,Liangmei Wu,Zhi-Li Zhu,Ming Huang,Liwei Liu,Lei Liu,Peng Cheng,Kehui Wu,Shibing Tian,Changzhi Gu,Youguo Shi,Yanfeng Guo,Zhi Gang Cheng,Jiangping Hu,Lin Zhao,Eli Sutter,Peter Sutter,Yeliang Wang,Wei Ji,Xingjiang Zhou,Hong-Jun Gao +29 more
TL;DR: A one-step, contamination-free, Au-assisted mechanical exfoliation method for 2D materials, and isolate 40 types of single-crystalline monolayers, including elemental 2D crystals, metal-dichalcogenides, magnets and superconductors with millimetre size is developed.
Journal ArticleDOI
Spectroscopic evidence for the realization of a genuine topological nodal-line semimetal in LaSbTe
Yang Wang,Yuting Qian,Meng Yang,Hongxiang Chen,Hongxiang Chen,Cong Li,Zhiyun Tan,Yongqing Cai,Wenjuan Zhao,Shunye Gao,Ya Feng,Shiv Kumar,Eike F. Schwier,Eike F. Schwier,Lin Zhao,Hongming Weng,Youguo Shi,Gang Wang,Youting Song,Yaobo Huang,Kenya Shimada,Zuyan Xu,Xingjiang Zhou,Guodong Liu +23 more
TL;DR: In this article, direct evidence for the realization of a genuine nodal-line semimetal in LaSbTe was provided by performing band structure calculations and angle-resolved photoemission measurements.
Journal ArticleDOI
Spectroscopic evidence of bilayer splitting and strong interlayer pairing in the superconductor KCa2Fe4As4F2
Dingsong Wu,Wenshan Hong,Chenxiao Dong,Xianxin Wu,Qiangtao Sui,Jianwei Huang,Qiang Gao,Cong Li,Chunyao Song,Hailan Luo,Chaohui Yin,Yu Xu,Xiangyu Luo,Yongqing Cai,Junjie Jia,Qingyan Wang,Yuan Huang,Guodong Liu,Shenjin Zhang,Fengfeng Zhang,Feng Yang,Zhimin Wang,Qinjun Peng,Zuyan Xu,Xianggang Qiu,Shiliang Li,Huiqian Luo,Jiangping Hu,Lin Zhao,Xingjiang Zhou +29 more
TL;DR: In this paper, the interlayer coupling between the CuO$_2$ planes plays an important role in dictating superconductivity, as indicated by the sensitive dependence of the critical temperature (T$_C$) on the number of CuO $ 2$ planes in one structural unit.
Journal ArticleDOI
Spectroscopic evidence of superconductivity pairing at 83 K in single-layer FeSe/SrTiO 3 films.
Yu Xu,Hongtao Rong,Qingyan Wang,Dingsong Wu,Yong Hu,Yongqing Cai,Qiang Gao,Hongtao Yan,Cong Li,Chaohui Yin,Hao Chen,Jianwei Huang,Z. G. Zhu,Yuan Huang,Guodong Liu,Zuyan Xu,Lin Zhao,X. J. Zhou +17 more
TL;DR: In this article, the authors used Bogoliubov back-bending bands as a benchmark and demonstrate that superconductivity pairing can be realized up to 83 K in single-layer FeSe/SrTiO3 films.