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October 11, 2025Open Access

Unlocking reversible and nonvolatile anomalous valley Hall control through multiferroic van der Waals heterostructures

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Authors

APAnkita PhutelaSBSaswata Bhattacharya

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Overview

This work demonstrates reversible switching of the anomalous valley Hall effect in valleytronic devices, suggesting new applications for multiferroic materials.

Key Points

  • The anomalous valley Hall effect can be controlled nonvolatilly through multiferroic van der Waals heterostructures.
  • A first-principles density functional theory approach reveals stable valley state management and reversible polarization switching.
  • A dual degree of control over valley-dependent phenomena is enabled via the polarization of ferroelectric Al$_2$S$_3$ to influence ferromagnetic VSSe.
  • These findings indicate the potential for energy-efficient valleytronic devices that do not require continuous energy input.

Cite This Study

Phutela et al. (2025) studied this question.

synapsesocial.com/papers/68e9b1b5ba7d64b6fc131df5https://doi.org/10.48550/arxiv.2508.13614
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