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Bistability and Oscillatory Motion of Natural Nanomembranes Appearing within Monolayer Graphene on Silicon Dioxide
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2010 (English)In: Nano letters (Print), ISSN 1530-6984, E-ISSN 1530-6992, Vol. 10, no 2, p. 461-465Article in journal (Refereed) Published
Abstract [en]

The truly two-dimensional material graphene is an ideal candidate for nanoelectromechanics due to its large strength and mobility. Here we show that graphene flakes provide natural nanomembranes of diameter down to 3 nm within its intrinsic rippling. The membranes can be lifted either reversibly or hysteretically by the tip of a scanning tunneling microscope. The clamped-membrane model including van-der-Waals and dielectric forces explains the results quantitatively. AC-fields oscillate the membranes, which might lead to a completely novel approach to controlled quantized oscillations or single atom mass detection.

Place, publisher, year, edition, pages
2010. Vol. 10, no 2, p. 461-465
Keywords [en]
Graphene, nanoelectromechanics, scanning tunneling microscopy
National Category
Nano Technology
Identifiers
URN: urn:nbn:se:kth:diva-50526DOI: 10.1021/nl903133wISI: 000274338800017OAI: oai:DiVA.org:kth-50526DiVA, id: diva2:495370
Note
QC 20120307Available from: 2012-02-08 Created: 2011-12-06 Last updated: 2017-12-07Bibliographically approved

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