Mechanical properties of suspended graphene sheets

I. W. Frank; D. M. Tanenbaum; A. M. Van Der Zande; P. L. McEuen

doi:10.1116/1.2789446

Mechanical properties of suspended graphene sheets

I. W. Frank, D. M. Tanenbaum, A. M. Van Der Zande, P. L. McEuen

Research output: Contribution to journal › Article

Abstract

Using an atomic force microscope, we measured effective spring constants of stacks of graphene sheets (less than 5) suspended over photolithographically defined trenches in silicon dioxide. Measurements were made on layered graphene sheets of thicknesses between 2 and 8 nm, with measured spring constants scaling as expected with the dimensions of the suspended section, ranging from 1 to 5 Nm. When our data are fitted to a model for doubly clamped beams under tension, we extract a Young's modulus of 0.5 TPa, compared to 1 TPa for bulk graphite along the basal plane, and tensions on the order of 10-7 N.

Original language	English (US)
Pages (from-to)	2558-2561
Number of pages	4
Journal	Journal of Vacuum Science and Technology B: Microelectronics and Nanometer Structures
Volume	25
Issue number	6
DOIs	https://doi.org/10.1116/1.2789446
State	Published - Dec 19 2007
Externally published	Yes

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ASJC Scopus subject areas

Condensed Matter Physics
Electrical and Electronic Engineering

Cite this

Frank, I. W., Tanenbaum, D. M., Van Der Zande, A. M., & McEuen, P. L. (2007). Mechanical properties of suspended graphene sheets. Journal of Vacuum Science and Technology B: Microelectronics and Nanometer Structures, 25(6), 2558-2561. https://doi.org/10.1116/1.2789446

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Access to Document

10.1116/1.2789446