Manipulating charge density wave state in kagome compound RbV3Sb5

被引：1
|
作者：
Meng, Yu-Xin [1 ,2 ]
Xue, Cheng-Long [1 ,2 ]
Dou, Li-Guo [1 ,2 ]
Zhao, Wei-Min [1 ,2 ]
Wang, Qi-Wei [1 ,2 ]
Xu, Yong-Jie [1 ,2 ]
Liu, Xiangqi [3 ]
Xia, Wei [3 ,4 ]
Guo, Yanfeng [3 ,4 ]
Li, Shao-Chun [1 ,2 ,5 ,6 ]
机构：
[1] Nanjing Univ, Sch Phys, Natl Lab Solid State Microstruct, Nanjing 210093, Peoples R China
[2] Nanjing Univ, Collaborat Innovat Ctr Adv Microstruct, Nanjing 210093, Peoples R China
[3] Shanghai Tech Univ, Sch Phys Sci & Technol, Shanghai 201210, Peoples R China
[4] Shanghai Tech Lab Topol Phys, Shanghai 200031, Peoples R China
[5] Nanjing Univ, Jiangsu Prov Key Lab Nanotechnol, Nanjing 210093, Peoples R China
[6] Hefei Natl Lab, Hefei 230088, Peoples R China
来源：
CHINESE PHYSICS B | 2023年 / 32卷 / 09期
基金：
中国国家自然科学基金;
关键词：
kagome material; charge density wave; scanning tunneling microscopy;
D O I：
10.1088/1674-1056/acd8b1
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
Owing to the unique electronic structure, kagome materials AV(3)Sb(5) (A = K, Rb, Cs) provide a fertile platform of quantum phenomena such as the strongly correlated state and topological Dirac band. It is well known that RbV3Sb5 exhibits a 2 x 2 unconventional charge density wave (CDW) state at low temperature, and the mechanism is controversial. Here, by using scanning tunneling microscopy/spectroscopy (STM/STS), we successfully manipulated the CDW state in the Sb plane of RbV3Sb5, and realized a new v3 xv3 modulation together with the ubiquitous 2 x 2 period in the CDW state of RbV3Sb5. This work provides a new understanding of the collective quantum ground states in the kagome materials.
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页数：5
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