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Thermal Stability of Corrugated Epitaxial Graphene Grown on Re(0001)

Miniussi, E; Pozzo, M; Baraldi, A; Vesselli, E; Zhan, RR; Comelli, G; Mentes, TO; ... Alfe, D; + view all (2011) Thermal Stability of Corrugated Epitaxial Graphene Grown on Re(0001). PHYS REV LETT , 106 (21) , Article 216101. 10.1103/PhysRevLett.106.216101. Green open access

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Abstract

We report on a novel approach to determine the relationship between the corrugation and the thermal stability of epitaxial graphene grown on a strongly interacting substrate. According to our density functional theory calculations, the C single layer grown on Re(0001) is strongly corrugated, with a buckling of 1.6 angstrom, yielding a simulated C 1s core level spectrum which is in excellent agreement with the experimental one. We found that corrugation is closely knit with the thermal stability of the C network: C-C bond breaking is favored in the strongly buckled regions of the moire cell, though it requires the presence of diffusing graphene layer vacancies.

Type: Article
Title: Thermal Stability of Corrugated Epitaxial Graphene Grown on Re(0001)
Open access status: An open access version is available from UCL Discovery
DOI: 10.1103/PhysRevLett.106.216101
Publisher version: http://dx.doi.org/10.1103/PhysRevLett.106.216101
Language: English
Additional information: © 2011 American Physical Society
Keywords: RIPPLES
UCL classification: UCL
UCL > Provost and Vice Provost Offices > UCL BEAMS
UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Maths and Physical Sciences
UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Maths and Physical Sciences > Dept of Earth Sciences
URI: https://discovery.ucl.ac.uk/id/eprint/1311461
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