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Transport properties of Ti3C2Tx MXene thin films under parallel and perpendicular magnetic fields

Rashed Aljasmi1,2, Sophia Tangui1, Simon Hurand1,*, Sophie Morisset3, Stéphane Célérier3, and Vincent Mauchamp1

  • *Contact author: simon.hurand@univ-poitiers.fr
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APS Open Sci. 1, 000031 – Published 29 May, 2026

DOI: https://doi.org/10.1103/yx84-zxzf

Abstract

The magnetoconductance of Ti3C2Tx MXene thin films under both perpendicular and parallel magnetic fields is systematically investigated to elucidate how finite thickness impacts weak localization (WL). In thicker films (∼700nm), the magnetoconductance is nearly orientation independent, indicating a three-dimensional (3D) regime. In contrast, thinner films (≲70nm) exhibit pronounced angle-dependent WL, consistent with two-dimensional (2D) behavior. Notably, in some of these thinner films, a small negative magnetoconductance is also detected at low temperatures in parallel fields—a hallmark of weak antilocalization arising from spin-orbit coupling. By fitting the 2D data in both orientations, the key transport parameters are extracted, including an effective thickness of around 12 nm (smaller than the physical thickness) and dephasing lengths. These findings deepen the understanding of quantum interference in MXenes and lay the groundwork for harnessing their tunable dimensionality and spin-orbit effects in emerging electronic and spintronic applications.

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APS Open Sci. 1, 000031– Published 29 May, 2026
Vol. 1
  • Received 22 October 2025
  • Revised 25 February 2026
  • Accepted 1 May 2026
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Published by the American Physical Society under the terms of the Creative Commons Attribution 4.0 International license. Further distribution of this work must maintain attribution to the author(s) and the published article's title, journal citation, and DOI.

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