In-plane uniaxial-strain tuning of superconductivity and charge-density wave in CsV3Sb5

doi:10.1088/1674-1056/acf707

中国物理B ›› 2023, Vol. 32 ›› Issue (12): 127101-127101.doi: 10.1088/1674-1056/acf707

In-plane uniaxial-strain tuning of superconductivity and charge-density wave in CsV₃Sb₅

Xiaoran Yang(杨晓冉)¹, Qi Tang(唐绮)^1,†, Qiuyun Zhou(周秋韵)¹, Huaiping Wang(王怀平)¹, Yi Li(李意)¹, Xue Fu(付雪)¹, Jiawen Zhang(张加文)^2,3, Yu Song(宋宇)², Huiqiu Yuan(袁辉球)^2,3, Pengcheng Dai(戴鹏程)⁴, and Xingye Lu(鲁兴业)^1,‡

1 Center for Advanced Quantum Studies and Department of Physics, Beijing Normal University, Beijing 100875, China;
2 Center for Correlated Matter and School of Physics, Zhejiang University, Hangzhou 310058, China;
3 State Key Laboratory of Silicon and Advanced Semiconductor Materials, Zhejiang University, Hangzhou 310058, China;
4 Department of Physics and Astronomy, Rice Center for Quantum Materials, Rice University, Houston, TX 77005, USA

收稿日期:2023-08-13 修回日期:2023-08-31 接受日期:2023-09-06 出版日期:2023-11-14 发布日期:2023-11-22
通讯作者: Qi Tang, Xingye Lu E-mail:qitang@mail.bnu.edu.cn;luxy@bnu.edu.cn
基金资助:
The work at Beijing Normal University is supported by the National Key Projects for Research and Development of China (Grant No.2021YFA1400400) and the National Natural Science Foundation of China (Grant Nos.12174029 and 11922402). The work at Zhejiang University was supported by the National Key Research and Development Program of China (Grant No.2022YFA1402200), the Pioneer and Leading Goose Research and Development Program of Zhejiang Province, China (Grant No.2022SDX- HDX0005), the Key Research and Development Program of Zhejiang Province, China (Grant No.2021C01002), and the National Natural Science Foundation of China (Grant No.12274363).

In-plane uniaxial-strain tuning of superconductivity and charge-density wave in CsV₃Sb₅

1 Center for Advanced Quantum Studies and Department of Physics, Beijing Normal University, Beijing 100875, China;
2 Center for Correlated Matter and School of Physics, Zhejiang University, Hangzhou 310058, China;
3 State Key Laboratory of Silicon and Advanced Semiconductor Materials, Zhejiang University, Hangzhou 310058, China;
4 Department of Physics and Astronomy, Rice Center for Quantum Materials, Rice University, Houston, TX 77005, USA

Received:2023-08-13 Revised:2023-08-31 Accepted:2023-09-06 Online:2023-11-14 Published:2023-11-22
Contact: Qi Tang, Xingye Lu E-mail:qitang@mail.bnu.edu.cn;luxy@bnu.edu.cn
Supported by:
The work at Beijing Normal University is supported by the National Key Projects for Research and Development of China (Grant No.2021YFA1400400) and the National Natural Science Foundation of China (Grant Nos.12174029 and 11922402). The work at Zhejiang University was supported by the National Key Research and Development Program of China (Grant No.2022YFA1402200), the Pioneer and Leading Goose Research and Development Program of Zhejiang Province, China (Grant No.2022SDX- HDX0005), the Key Research and Development Program of Zhejiang Province, China (Grant No.2021C01002), and the National Natural Science Foundation of China (Grant No.12274363).

摘要/Abstract

摘要： The kagome superconductor CsV₃Sb₅ with exotic electronic properties has attracted substantial research interest, and the interplay between the superconductivity and the charge-density wave is crucial for understanding its unusual electronic ground state. In this work, we performed resistivity and AC magnetic susceptibility measurements on CsV₃Sb₅ single crystals uniaxially-strained along [100] and [110] directions. We find that the uniaxial-strain tuning effect of T_c (T_c/dε) and T_CDW (dT_CDW/dε) are almost identical along these distinct high-symmetry directions. These findings suggest the in-plane uniaxial-strain-tuning of T_c and T_CDW in CsV₃Sb₅ are dominated by associated c-axis strain, whereas the response to purely in-plane strains is likely small.

关键词: kagome metal, superconductivity, charge-density wave, uniaxial-strain

Abstract: The kagome superconductor CsV₃Sb₅ with exotic electronic properties has attracted substantial research interest, and the interplay between the superconductivity and the charge-density wave is crucial for understanding its unusual electronic ground state. In this work, we performed resistivity and AC magnetic susceptibility measurements on CsV₃Sb₅ single crystals uniaxially-strained along [100] and [110] directions. We find that the uniaxial-strain tuning effect of T_c (T_c/dε) and T_CDW (dT_CDW/dε) are almost identical along these distinct high-symmetry directions. These findings suggest the in-plane uniaxial-strain-tuning of T_c and T_CDW in CsV₃Sb₅ are dominated by associated c-axis strain, whereas the response to purely in-plane strains is likely small.

Key words: kagome metal, superconductivity, charge-density wave, uniaxial-strain

中图分类号: (Strongly correlated electron systems; heavy fermions)

71.27.+a

71.45.Lr (Charge-density-wave systems) 71.10.Pm (Fermions in reduced dimensions (anyons, composite fermions, Luttinger liquid, etc.)) 74.25.-q (Properties of superconductors)

Xiaoran Yang(杨晓冉), Qi Tang(唐绮), Qiuyun Zhou(周秋韵), Huaiping Wang(王怀平), Yi Li(李意), Xue Fu(付雪), Jiawen Zhang(张加文), Yu Song(宋宇), Huiqiu Yuan(袁辉球), Pengcheng Dai(戴鹏程), and Xingye Lu(鲁兴业). In-plane uniaxial-strain tuning of superconductivity and charge-density wave in CsV₃Sb₅[J]. 中国物理B, 2023, 32(12): 127101-127101.

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In-plane uniaxial-strain tuning of superconductivity and charge-density wave in CsV₃Sb₅

In-plane uniaxial-strain tuning of superconductivity and charge-density wave in CsV₃Sb₅

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