Snap-through instability of graphene on substrates

Details Snap-through instability of graphene on substrates Snap-through instability of graphene on substrates

2009-07-20

arxiv.org/abs/0907.3334v1

Nanoscale Research Letters, 5, 169-173 (2010).

Physics

Condensed Matter

Mesoscale and Nanoscale Physics

13 pages, 4 figures; Nanoscale Research Letters, in press, 2009

Scientific paper

10.1007/s11671-009-9460-1

We determine the graphene morphology regulated by substrates with herringbone and checkerboard surface corrugations. As the graphene/substrate interfacial bonding energy and the substrate surface roughness vary, the graphene morphology snaps between two distinct states: 1) closely conforming to the substrate and 2) remaining nearly flat on the substrate. Such a snapthrough instability of graphene can potentially lead to desirable electronic properties to enable graphene-based devices.

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