Three-dimensional hidden phase probed by in-plane magnetotransport in kagome metal CsV$_3$Sb$_5$ thin flakes
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arXiv
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| Autori principali: | , , , , , , , , , , , , , , |
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| Natura: | Preprint |
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2024
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| _version_ | 1866914787803267072 |
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| author | Wei, Xinjian Tian, Congkuan Cui, Hang Zhai, Yuxin Li, Yongkai Liu, Shaobo Song, Yuanjun Feng, Ya Huang, Miaoling Wang, Zhiwei Liu, Yi Xiong, Qihua Yao, Yugui Xie, X. C. Chen, Jian-Hao |
| author_facet | Wei, Xinjian Tian, Congkuan Cui, Hang Zhai, Yuxin Li, Yongkai Liu, Shaobo Song, Yuanjun Feng, Ya Huang, Miaoling Wang, Zhiwei Liu, Yi Xiong, Qihua Yao, Yugui Xie, X. C. Chen, Jian-Hao |
| contents | Transition metal compounds with kagome structure have been found to exhibit a variety of exotic structural, electronic, and magnetic orders. These orders are competing with energies very close to each other, resulting in complex phase transitions. Some of the phases are easily observable, such as the charge density wave (CDW) and the superconducting phase, while others are more challenging to identify and characterize. Here we present magneto-transport evidence of a new phase below ~35 K in the kagome topological metal CsV$_3$Sb$_5$ (CVS) thin flakes between the CDW and the superconducting transition temperatures. This phase is characterized by six-fold rotational symmetry in the in-plane magnetoresistance (MR) and is connected to the orbital current order in CVS. Furthermore, the phase is characterized by a large in-plane negative magnetoresistance, which suggests the existence of a three-dimensional, magnetic field-tunable orbital current ordered phase. Our results highlight the potential of magneto-transport to reveal the interactions between exotic quantum states of matter and to uncover the symmetry of such hidden phases. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2405_04059 |
| institution | arXiv |
| publishDate | 2024 |
| record_format | arxiv |
| spellingShingle | Three-dimensional hidden phase probed by in-plane magnetotransport in kagome metal CsV$_3$Sb$_5$ thin flakes Wei, Xinjian Tian, Congkuan Cui, Hang Zhai, Yuxin Li, Yongkai Liu, Shaobo Song, Yuanjun Feng, Ya Huang, Miaoling Wang, Zhiwei Liu, Yi Xiong, Qihua Yao, Yugui Xie, X. C. Chen, Jian-Hao Strongly Correlated Electrons Mesoscale and Nanoscale Physics Transition metal compounds with kagome structure have been found to exhibit a variety of exotic structural, electronic, and magnetic orders. These orders are competing with energies very close to each other, resulting in complex phase transitions. Some of the phases are easily observable, such as the charge density wave (CDW) and the superconducting phase, while others are more challenging to identify and characterize. Here we present magneto-transport evidence of a new phase below ~35 K in the kagome topological metal CsV$_3$Sb$_5$ (CVS) thin flakes between the CDW and the superconducting transition temperatures. This phase is characterized by six-fold rotational symmetry in the in-plane magnetoresistance (MR) and is connected to the orbital current order in CVS. Furthermore, the phase is characterized by a large in-plane negative magnetoresistance, which suggests the existence of a three-dimensional, magnetic field-tunable orbital current ordered phase. Our results highlight the potential of magneto-transport to reveal the interactions between exotic quantum states of matter and to uncover the symmetry of such hidden phases. |
| title | Three-dimensional hidden phase probed by in-plane magnetotransport in kagome metal CsV$_3$Sb$_5$ thin flakes |
| topic | Strongly Correlated Electrons Mesoscale and Nanoscale Physics |
| url | https://arxiv.org/abs/2405.04059 |