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Pressure tuning of the anomalous Hall effect in the kagome superconductor CsV3Sb5
文献摘要：
Controlling the anomalous Hall effect (AHE) inspires potential applications of quantum materials in the next genera-tion of electronics.The recently discovered quasi-2D kagome superconductor CsV3 Sb5 exhibits large AHE accompanying with the charge-density-wave (CDW) order which provides us an ideal platform to study the interplay among nontrivial band topology,CDW,and unconventional superconductivity.Here,we systematically investigated the pressure effect of the AHE in CsV3Sb5.Our high-pressure transport measurements confirm the concurrence of AHE and CDW in the compressed CsV3Sb5.Remarkably,distinct from the negative AHE at ambient pressure,a positive anomalous Hall resistivity sets in below 35 K with pressure around 0.75 GPa,which can be attributed to the Fermi surface reconstruction and/or Fermi energy shift in the new CDW phase under pressure.Our work indicates that the anomalous Hall effect in CsV3Sb5 is tunable and highly related to the band structure.
文献关键词：
中图分类号：
[1] 医药、卫生（R） / 基础医学（R3） / 病理学（R36） / 病理过程（R364）
[2] 数理科学和化学（O） / 力学（O3） / 振动理论（O32） / 非线性振动（O322）
[3] 医药、卫生（R） / 药学（R9） / 药理学（R96） / 实验药理学（R965）
作者姓名：
Fang-Hang Yu;Xi-Kai Wen;Zhi-Gang Gui;Tao Wu;Zhenyu Wang;Zi-Ji Xiang;Jianjun Ying;Xianhui Chen
作者机构：
Hefei National Laboratory for Physical Sciences at Microscale and Department of Physics,and CAS Key Laboratory of Strongly-coupled Quantum Matter Physics,University of Science and Technology of China,Hefei 230026,China;CAS Center for Excellence in Quantum Information and Quantum Physics,Hefei 230026,China;Collaborative Innovation Center of Advanced Microstructures,Nanjing 210093,China
文献出处：
中国物理B（英文版）
引用格式：
[1]Fang-Hang Yu;Xi-Kai Wen;Zhi-Gang Gui;Tao Wu;Zhenyu Wang;Zi-Ji Xiang;Jianjun Ying;Xianhui Chen-.Pressure tuning of the anomalous Hall effect in the kagome superconductor CsV3Sb5)[J].中国物理B（英文版）,2022(01):35-41
A类：
CsV3,Sb5
B类：
Pressure,tuning,anomalous,Hall,effect,kagome,superconductor,CsV3Sb5,Controlling,AHE,inspires,potential,applications,quantum,materials,next,genera,electronics,recently,discovered,quasi,2D,exhibits,large,accompanying,charge,density,wave,CDW,order,which,provides,ideal,platform,study,interplay,among,nontrivial,band,topology,unconventional,superconductivity,Here,we,systematically,investigated,pressure,Our,transport,measurements,confirm,concurrence,compressed,Remarkably,distinct,from,negative,ambient,positive,resistivity,sets,below,around,GPa,can,attributed,Fermi,surface,reconstruction,energy,shift,new,phase,under,work,indicates,that,tunable,highly,related,structure
AB值：
0.566967
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