期刊
NANO LETTERS
卷 12, 期 5, 页码 2408-2413出版社
AMER CHEMICAL SOC
DOI: 10.1021/nl300397v
关键词
Graphene; CVD; strain; copper
类别
资金
- ONR (Graphene MURI)
- Nanoscale Science and Engineering Initiative of the National Science Foundation [CHE-0641523]
- AFOSR [FA9550-10-1-0068]
- EFRC Center for Re-defining Photo-voltaic Efficiency through Molecule Scale Control [SC0001085]
- New York State Office of Science, Technology, and Academic Research (NYSTAR)
- Priority Research Centers [2011-0018395]
- National Research Foundation of Korea (NRF) [2011-0029645]
- Ministry of Education, Science and Technology
- National Research Foundation of Korea [2011-0029645] Funding Source: Korea Institute of Science & Technology Information (KISTI), National Science & Technology Information Service (NTIS)
Graphene single layers grown by chemical vapor deposition on single crystal Cu substrates are subject to nonuniform physisorption strains that depend on the orientation of the Cu surface. The strains are revealed in Raman spectra and quantitatively interpreted by molecular dynamics (MD) simulations. An average compressive strain on the order of 0.5% is determined in graphene on Cu(111). In graphene on Cu (100), MD simulations interpret the observed highly nonuniform strains.
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