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IBS Publications RepositoryCenter for Multidimensional Carbon Materials(다차원 탄소재료 연구단)1. Journal Papers (저널논문)
Fracture of polycrystalline graphene membranes by in situ nanoindentation in a scanning electron microscope
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- Title
- Fracture of polycrystalline graphene membranes by in situ nanoindentation in a scanning electron microscope
- Author(s)
- Suk, JW; Mancevski, V; Hao, YF; Liechti, KM; Ruoff, RS
- Subject
- Chemical vapor deposition, ; Failure, ; Grain boundaries, ; Graphene, ; Nanoindentation
- Publication Date
- 2015-10
- Journal
- PHYSICA STATUS SOLIDI-RAPID RESEARCH LETTERS, v.9, no.10, pp.564 - 569
- Publisher
- WILEY-V C H VERLAG GMBH
- Abstract
- Failure of polycrystalline graphene grown by chemical vapor deposition was investigated by nanoindentation in a scanning electron microscope. Circular graphene membranes were subject to central point loads using a nanomanipulator combined with an atomic force microscope cantilever as a force sensor. The grain boundaries of the polycrystalline graphene were visualized by Raman spectroscopy coupled with a carbon isotope labeling technique. Graphene membranes without any grain boundary had a failure strength of 45.4 ± 10.4 GPa, compared to 16.4 ± 5.1 GPa for those with grain boundaries when a Young's modulus was assumed to be 1 TPa. © 2015 WILEY-VCH Verlag GmbH &Co. KGaA, Weinheim
- ISSN
- 1862-6254
- Appears in Collections:
- Center for Multidimensional Carbon Materials(다차원 탄소재료 연구단) > 1. Journal Papers (저널논문)
- Files in This Item:
- pssr201510244.pdfDownload
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