典型文献
Robustness of the unidirectional stripe order in the kagome superconductor CsV3Sb5
文献摘要：
V-based kagome materials AV3Sb5(A=K,Rb,Cs)have attracted much attention due to their novel properties such as unconventional superconductivity,giant anomalous Hall effect,charge density wave(CDW)and pair density wave.Except for the 2ai0×2a0 CDW(charge density wave with in-plane 2×2 superlattice modulation)in AV3Sb5,an additional 1×4(4a0)unidirectional stripe order has been observed at the Sb surface of RbV3Sb5 and CsV3Sb5.However,the stability and electronic nature of the 4a0 stripe order remain controversial and unclear.Here,by using low-temperature scanning tunneling microscopy/spectroscopy(STM/S),we systematically study the 4a0 stripe order on the Sb-terminated surface of CsV3Sb5.We find that the 4a0 stripe order is visible in a large energy range.The STM images with positive and negative bias show contrast inversion,which is the hallmark for the Peierls-type CDW.In addition,below the critical temperature about 60 K,the 4ai0 stripe order keeps unaffected against the topmost Cs atoms,point defects,step edges and magnetic field up to 8 T.Our results provide experimental evidences on the existence of unidirectional CDW in CsV3Sb5.
文献关键词：
中图分类号：
作者姓名：
Bin Hu;Yuhan Ye;Zihao Huang;Xianghe Han;Zhen Zhao;Haitao Yang;Hui Chen;Hong-Jun Gao
作者机构：
Institute of Physics and University of Chinese Academy of Sciences,Chinese Academy of Sciences,Beijing 100190,China;Songshan Lake Materials Laboratory,Dongguan 523808,China;CAS Center for Excellence in Topological Quantum Computation,Beijing 100190,China
文献出处：
引用格式：
[1]Bin Hu;Yuhan Ye;Zihao Huang;Xianghe Han;Zhen Zhao;Haitao Yang;Hui Chen;Hong-Jun Gao-.Robustness of the unidirectional stripe order in the kagome superconductor CsV3Sb5)[J].中国物理B（英文版）,2022(05):18-23
A类：
AV3Sb5,2ai0,2a0,4a0,RbV3Sb5,Peierls,4ai0
B类：
Robustness,unidirectional,stripe,order,kagome,superconductor,CsV3Sb5,materials,have,attracted,much,attention,due,their,novel,properties,such,unconventional,superconductivity,giant,anomalous,Hall,effect,charge,density,wave,CDW,pair,Except,plane,superlattice,modulation,additional,has,been,observed,surface,However,stability,electronic,nature,remain,controversial,unclear,Here,by,using,temperature,scanning,tunneling,microscopy,spectroscopy,STM,systematically,study,terminated,We,find,that,visible,large,energy,range,images,positive,negative,bias,show,contrast,inversion,which,hallmark,type,In,below,critical,about,keeps,unaffected,against,topmost,atoms,point,defects,step,edges,magnetic,field,Our,results,provide,experimental,evidences,existence
AB值：
0.524377
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