Evidence of anisotropic three-dimensional weak localization in <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"> <mml:msub> <mml:mi>TiSe</mml:mi> <mml:mn>2</mml:mn> </mml:msub> </mml:math> nanoflakes
${\mathrm{TiSe}}_{2}$ is a typical transition-metal dichalcogenide known for its charge-density-wave order. In this study, we report the observation of an unusual anisotropic negative magnetoresistance in exfoliated ${\mathrm{TiSe}}_{2}$ nanoflakes at low temperatures. Unlike the negative magnetoresistance reported in most other transition-metal dichalcogenides, our results cannot be explained by either the conventional two-dimensional weak localization effect or the Kondo effect. A comprehensive analysis of the data suggests that the observed anisotropic negative magnetoresistance in ${\mathrm{TiSe}}_{2}$ flakes is most likely caused by the three-dimensional weak localization effect.
Authors
- Fan Yang (ORCID: https://orcid.org/0000-0001-6841-1605)
- Guangtong Liu (ORCID: https://orcid.org/0000-0001-9436-3395)
- Xiaocui Wang (ORCID: https://orcid.org/0000-0003-3667-8334)
- Junxi Duan (ORCID: https://orcid.org/0000-0002-0740-6404)
- Yang Yang (ORCID: https://orcid.org/0000-0003-2393-5389)
- Lü Li (ORCID: https://orcid.org/0000-0002-8054-7406)
- Zhiwei Wang (ORCID: https://orcid.org/0000-0003-0182-2471)
- Yongkai Li (ORCID: https://orcid.org/0000-0002-7075-2975)
Institutions
- Beijing Institute of Technology (CN)
- Tianjin University (CN)
- Chinese Academy of Sciences (CN)
- Songshan Lake Materials Laboratory (CN)
- FZU ‒ Institute of Physics of the Academy of Sciences of the Czech Republic (CZ)
- Institute of Physics (CN)
- University of Chinese Academy of Sciences (CN)
Publication Details
- Journal
- Physical review. B./Physical review. B
- Published
- 2025-10-02
- DOI
- https://doi.org/10.1103/mwfd-vhqd
- Primary Topic
- 2D Materials and Applications
- Type
- article
- Field-Weighted Citation Impact
- 0.00