Journal
EPL
Volume 85, Issue 4, Pages -Publisher
IOP PUBLISHING LTD
DOI: 10.1209/0295-5075/85/46002
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Funding
- CAPES
- National Science Foundation [DMR 0701373]
- Division Of Materials Research
- Direct For Mathematical & Physical Scien [0701373] Funding Source: National Science Foundation
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We show that ripples observed in free-standing graphene sheets can be explained as a consequence of adsorbed OH molecules sitting on random sites. The adsorbates cause the bonds between carbon atoms to lengthen slightly. Static buckles then result from a mechanism like the one that leads to buckling of leaves. Buckles caused by roughly 20% coverage of adsorbates are consistent with experimental observations. Copyright (C) EPLA, 2009
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