Mechanical properties of rippled structure in suspended stacks of graphene

Hyunsoo Lee; Hyeondeuk Yong; K. B. Kim; Yongho Seo; Hoyeol Yun; Sangwook Lee

doi:10.1063/1.3456007

Mechanical properties of rippled structure in suspended stacks of graphene

Hyunsoo Lee, Hyeondeuk Yong, K. B. Kim, Yongho Seo, Hoyeol Yun, Sangwook Lee

Department of Physics

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5 Scopus citations

Abstract

We studied the mechanical properties of a suspended graphene layers which have ripples with stripe pattern, by using an atomic force spectroscopy. The local spring constant of the rippled graphene layer has larger value at concave region and smaller at convex region. The attractive force and pull-off force between a tip and the sample also have larger values at the concave region. A local spring constant mapping on the suspended graphene with ripple was obtained and nonlinear behavior of the force-distance curve was analyzed regarding local deformation of the sample.

Original language	English
Article number	014302
Journal	Journal of Applied Physics
Volume	108
Issue number	1
DOIs	https://doi.org/10.1063/1.3456007
State	Published - 1 Jul 2010

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@article{d5fa7cbdc7db42f59a079114bcbb0273,

title = "Mechanical properties of rippled structure in suspended stacks of graphene",

abstract = "We studied the mechanical properties of a suspended graphene layers which have ripples with stripe pattern, by using an atomic force spectroscopy. The local spring constant of the rippled graphene layer has larger value at concave region and smaller at convex region. The attractive force and pull-off force between a tip and the sample also have larger values at the concave region. A local spring constant mapping on the suspended graphene with ripple was obtained and nonlinear behavior of the force-distance curve was analyzed regarding local deformation of the sample.",

author = "Hyunsoo Lee and Hyeondeuk Yong and Kim, {K. B.} and Yongho Seo and Hoyeol Yun and Sangwook Lee",

note = "Funding Information: This work was supported by the Korean Science and Engineering Foundation (NRF) grants funded by the Korea government (MEST) Grant No. R01-2008-000-20185-0.",

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AU - Yong, Hyeondeuk

AU - Kim, K. B.

AU - Seo, Yongho

AU - Yun, Hoyeol

AU - Lee, Sangwook

N1 - Funding Information: This work was supported by the Korean Science and Engineering Foundation (NRF) grants funded by the Korea government (MEST) Grant No. R01-2008-000-20185-0.

PY - 2010/7/1

Y1 - 2010/7/1

N2 - We studied the mechanical properties of a suspended graphene layers which have ripples with stripe pattern, by using an atomic force spectroscopy. The local spring constant of the rippled graphene layer has larger value at concave region and smaller at convex region. The attractive force and pull-off force between a tip and the sample also have larger values at the concave region. A local spring constant mapping on the suspended graphene with ripple was obtained and nonlinear behavior of the force-distance curve was analyzed regarding local deformation of the sample.

AB - We studied the mechanical properties of a suspended graphene layers which have ripples with stripe pattern, by using an atomic force spectroscopy. The local spring constant of the rippled graphene layer has larger value at concave region and smaller at convex region. The attractive force and pull-off force between a tip and the sample also have larger values at the concave region. A local spring constant mapping on the suspended graphene with ripple was obtained and nonlinear behavior of the force-distance curve was analyzed regarding local deformation of the sample.

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JF - Journal of Applied Physics

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Mechanical properties of rippled structure in suspended stacks of graphene

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