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Spontaneous twinning as an accommodation mechanism in monolayer graphene

Arca, F. and Mendez, J. P. and Ortiz, M. and Ariza, M. P. (2020) Spontaneous twinning as an accommodation mechanism in monolayer graphene. European Journal of Mechanics - A/Solids, 80 . Art. No. 103923. ISSN 0997-7538.

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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.

Item Type:Article
Related URLs:
URLURL TypeDescription
Ortiz, M.0000-0001-5877-4824
Ariza, M. P.0000-0003-0266-0216
Additional Information:© 2019 Elsevier Masson SAS. Received 25 September 2019, Revised 21 November 2019, Accepted 2 December 2019, Available online 5 December 2019.
Funding AgencyGrant Number
Consejería de Economía, Innovación, Ciencia y Empleo, Junta de AndalucíaP12-TEP-850
Ministerio de Economía y Competitividad (MINECO)DPI2015-66534-R
Subject Keywords:Graphene; Geometrical twinning; Thermal stability; Topological defects
Record Number:CaltechAUTHORS:20191205-090217849
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Official Citation:F. Arca, J.P. Mendez, M. Ortiz, M.P. Ariza, Spontaneous twinning as an accommodation mechanism in monolayer graphene, European Journal of Mechanics - A/Solids, Volume 80, 2020, 103923, ISSN 0997-7538, (
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:100197
Deposited By: Tony Diaz
Deposited On:05 Dec 2019 18:41
Last Modified:10 Dec 2019 21:40

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