The DOI matches its Crossref record; 34 of the 34 references it cites were found in a registry or an index.
Three-Dimensional Charge Density Wave and Surface-Dependent Vortex-Core States in a Kagome Superconductor CsV3Sb5
Open accessAbstract
The transition-metal-based kagome metals provide a versatile platform for correlated topological phases hosting various electronic instabilities. While superconductivity is rare in layered kagome compounds, its interplay with nontrivial topology could offer an engaging space to realize exotic excitations of quasiparticles. Here, we use scanning tunneling microscopy (STM) to study a newly discovered Z$_2$ topological kagome metal CsV$_3$Sb$_5$ with a superconducting ground state. We observe charge modulation associated with the opening of an energy gap near the Fermi level. When across single-unit-cell surface step edges, the intensity of this charge modulation exhibits a π-phase shift, suggesting a three-dimensional 2$\times$2$\times$2 charge density wave ordering. Interestingly, a robust zero-bias conductance peak is observed inside the superconducting vortex core on the Cs 2$\times$2 surfaces that does not split in a large distance when moving away from the vortex center, resembling the Majorana bound states arising from the superconducting Dirac surface states in Bi$_2$Te$_3$/NbSe$_2$ heterostructures. Our findings establish CsV$_3$Sb$_5$ as a promising candidate for realizing exotic excitations at the confluence of nontrivial lattice geometry, topology and multiple electronic orders.
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Cites
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Giant anomalous Hall effect in a ferromagnetic kagome-lattice semimetal
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Self-citationMassive Dirac fermions in a ferromagnetic kagome metal
Ye, L., Kang, M., Liu, J., von Cube, F., Wicker, C. R., Suzuki, T., Jozwiak, C., Bostwick, A., Rotenberg, E., Bell, D. C., et al. (2018) · Nature · doi:10.1038/nature25987 · Cited by 985
CsV3Sb5 : A Z2 Topological Kagome Metal with a Superconducting Ground State
Ortiz, B. R., Teicher, S. M. L., Hu, Y., Zuo, J. L., Sarte, P. M., Schueller, E. C., Abeykoon, A. M. M., Krogstad, M. J., Rosenkranz, S., Osborn, R., et al. (2020) · Physical Review Letters · doi:10.1103/physrevlett.125.247002 · Cited by 970
Magnetic Weyl semimetal phase in a Kagomé crystal
Liu, D. F., Liang, A. J., Liu, E. K., Xu, Q. N., Li, Y. W., Chen, C., Pei, D., Shi, W. J., Mo, S. K., Dudin, P., et al. (2019) · Science · doi:10.1126/science.aav2873 · Cited by 845
New kagome prototype materials: discovery of KV3Sb5,RbV3Sb5 , and CsV3Sb5
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Evidence for Majorana bound states in an iron-based superconductor
Wang, D., Kong, L., Fan, P., Chen, H., Zhu, S., Liu, W., Cao, L., Sun, Y., Du, S., Schneeloch, J., et al. (2018) · Science · doi:10.1126/science.aao1797 · Cited by 750
Unconventional chiral charge order in kagome superconductor KV3Sb5
Jiang, Y.-X., Yin, J.-X., Denner, M. M., Shumiya, N., Ortiz, B. R., Xu, G., Guguchia, Z., He, J., Hossain, M. S., Liu, X., et al. (2021) · Nature Materials · doi:10.1038/s41563-021-01034-y · Cited by 743
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Metadata
- Authors
- Liang, Z., Hou, X., Zhang, F., Ma, W., Wu, P., Zhang, Z., Yu, F., Ying, J.-J., Jiang, K., Shan, L., Wang, Z., & Chen, X.-H.
- Venue
- Physical Review X
- Publisher
- American Physical Society (APS)
- Published
- 2021-08-02
- Volume
- 11
- Issue
- 3
- ISSN
- 2160-3308 (ISSN-L)
- OpenAlex
- W3135886801
- Cited by
- 404
- References
- 34
- FWCI
- 34.20
- Type
- journal article
- Language
- en
- Open access
- gold
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- Liang, Z., Hou, X., Zhang, F., Ma, W., Wu, P., Zhang, Z., Yu, F., Ying, J.-J., Jiang, K., Shan, L., Wang, Z., & Chen, X.-H. (2021). Three-Dimensional Charge Density Wave and Surface-Dependent Vortex-Core States in a Kagome Superconductor CsV3Sb5. Physical Review X. https://doi.org/10.1103/physrevx.11.031026
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