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Published March 2020 | metadata_only
Journal Article

Spontaneous twinning as an accommodation mechanism in monolayer graphene


We present numerical evidence that twinning operates as an accommodation and relaxation mechanism in graphene. We show that twins may arise spontaneously in graphene layers containing arrays of dislocations and that twinning results in a significant reduction in energy. We verify that the twinning relations are satisfied across the interfaces, which are thereby identified as bona fides twin boundaries. We additionally verify that the twin boundaries are thermally stable up to high temperatures.

Additional Information

© 2019 Elsevier Masson SAS. Received 25 September 2019, Revised 21 November 2019, Accepted 2 December 2019, Available online 5 December 2019.

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August 22, 2023
August 22, 2023