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Condensed Matter > Mesoscale and Nanoscale Physics

arXiv:2411.13488 (cond-mat)
[Submitted on 20 Nov 2024]

Title:Evidence of anisotropic three-dimensional weak-localization in TiSe$_{2}$ nanoflakes

Authors:Xiaocui Wang, Yang Yang, Yongkai Li, Guangtong Liu, Junxi Duan, Zhiwei Wang, Li Lu, Fan Yang
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Abstract: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 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 TiSe$_2$ flakes is most likely caused by the three-dimensional weak localization effect. Our findings contribute to a deeper understanding of the phase-coherent transport processes in TiSe$_2$.
Subjects: Mesoscale and Nanoscale Physics (cond-mat.mes-hall)
Cite as: arXiv:2411.13488 [cond-mat.mes-hall]
  (or arXiv:2411.13488v1 [cond-mat.mes-hall] for this version)
  https://doi.org/10.48550/arXiv.2411.13488

Submission history

From: Fan Yang [view email]
[v1] Wed, 20 Nov 2024 17:38:07 UTC (3,432 KB)
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