ArticleScientific reports2023
Heterostrain and temperature-tuned twist between graphene/h-BN bilayers.
Article in Scientific reports, 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 4 papers.
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Who cites it
4 citing papers in PubMed, 22 citations in OpenAlex.
- Progress in Strain Engineering of 2D-Integrated Heterostructures for Ultrasensitive Sensors.Advanced science (Weinheim, Baden-Wurttemberg, Germany) · 2026Review
- A new approach in generating stable crack propagation at twisted bilayer graphene/hBN heterostructures.iScience · 2024Article
- Emerging Characteristics and Properties of Moiré Materials.Nanomaterials (Basel, Switzerland) · 2023Review
- Superlubricity of Materials: Progress, Potential, and Challenges.Materials (Basel, Switzerland) · 2023Review
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Authors and funding
2 authors at 1 institution in 1 country.
Funding
Abstract
Two-dimensional materials stacked atomically at small twist angles enable the modification of electronic states, motivating twistronics. Here, we demonstrate that heterostrain can rotate the graphene flake on monolayer h-BN within a few degrees (- 4° to 4°), and the twist angle stabilizes at specific values with applied constant strains, while the temperature effect is negligible in 100-900 K. The band gaps of bilayers can be modulated from ~ 0 to 37 meV at proper heterostrain and twist angles. Further analysis shows that the heterostrain modulates the interlayer energy landscape by regulating Moiré pattern evolution. The energy variation is correlated with the dynamic instability of different stacking modes of bilayers, and arises from the fluctuation of interlayer repulsive interaction associated with p-orbit electrons. Our results provide a mechanical strategy to manipulate twist angles of graphene/h-BN bilayers, and may facilitate the design of rotatable electronic nanodevices.
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