Subjecting a graphene monolayer to tension and compression
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Authors
Tsoukleri, G
Parthenios, J
Papagelis, K
Jalil, R
Ferrari, AC
Geim, AK
Novoselov, KS
Galiotis, C
Publication Date
2009-06-19Journal Title
Small
ISSN
1613-6810
Publisher
Wiley
Volume
5
Issue
21
Pages
2397-2402
Type
Article
Metadata
Show full item recordCitation
Tsoukleri, G., Parthenios, J., Papagelis, K., Jalil, R., Ferrari, A., Geim, A., Novoselov, K., & et al. (2009). Subjecting a graphene monolayer to tension and compression. Small, 5 (21), 2397-2402. https://doi.org/10.1002/smll.200900802
Abstract
The mechanical behaviour of graphene flakes under both tension and
compression is examined using a cantilever-beam arrangement. Two different sets
of samples were employed involving flakes just supported on a plastic bar but
also embedded within the plastic substrate. By monitoring the shift of the 2D
Raman line with strain, information on the stress transfer efficiency as a
function of stress sign and monolayer support were obtained. In tension, the
embedded flake seems to sustain strains up to 1.3%, whereas in compression
there is an indication of flake buckling at about 0.7% strain. The retainment
of such a high critical buckling strain confirms the relative high flexural
rigidity of the embedded monolayer.
Keywords
Graphite, Spectrum Analysis, Raman, Surface Tension
Identifiers
External DOI: https://doi.org/10.1002/smll.200900802
This record's URL: https://www.repository.cam.ac.uk/handle/1810/286119
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Licence:
http://www.rioxx.net/licenses/all-rights-reserved
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