CsV3Sb5超导电性和电荷密度波的平面内单轴应变调谐

IF 1.5 4区物理与天体物理 Q2 PHYSICS, MULTIDISCIPLINARY

Chinese Physics B Pub Date : 2023-09-06 DOI:10.1088/1674-1056/acf707

Xiaoran Yang, Qi Tang, Qiuyun Zhou, Huaiping Wang, Yi Li, Xue Fu, Jiawen Zhang, Yu Song, Huiqiu Yuan, Pengcheng Dai, Xingye Lu

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引用次数: 0

摘要

具有奇异电子性质的kagome超导体CsV3Sb5吸引了大量的研究兴趣，超导性和电荷密度波之间的相互作用对于理解其不同寻常的电子基态至关重要。在这项工作中，我们对沿[100]和[110]方向单轴应变的CsV3Sb5单晶进行了电阻率和交流磁化率测量。我们发现，Tc（dT c/dε）和TCDW（dT-CDW/dε）的单轴应变调谐效应沿着这些不同的高对称方向几乎相同。这些发现表明，CsV3Sb5中T c和T CDW的平面内单轴应变调谐由相关的c轴应变主导，而对纯平面内应变的响应可能很小。

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

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 (dT c/dε) and TCDW (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.

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来源期刊

Chinese Physics B 物理-物理：综合

CiteScore

2.80

自引率

23.50%

发文量

15667

审稿时长

2.4 months

期刊介绍： Chinese Physics B is an international journal covering the latest developments and achievements in all branches of physics worldwide (with the exception of nuclear physics and physics of elementary particles and fields, which is covered by Chinese Physics C). It publishes original research papers and rapid communications reflecting creative and innovative achievements across the field of physics, as well as review articles covering important accomplishments in the frontiers of physics. Subject coverage includes: Condensed matter physics and the physics of materials Atomic, molecular and optical physics Statistical, nonlinear and soft matter physics Plasma physics Interdisciplinary physics.