Measurement of the Elastic Properties and Intrinsic Strength of Monolayer Graphene

@article{Lee2008MeasurementOT,
  title={Measurement of the Elastic Properties and Intrinsic Strength of Monolayer Graphene},
  author={Changgu Lee and Xiaoding Wei and Jeffrey W Kysar and James C. Hone},
  journal={Science},
  year={2008},
  volume={321},
  pages={385 - 388}
}
  • Changgu Lee, Xiaoding Wei, +1 author James C. Hone
  • Published 2008
  • Medicine, Materials Science
  • Science
  • We measured the elastic properties and intrinsic breaking strength of free-standing monolayer graphene membranes by nanoindentation in an atomic force microscope. The force-displacement behavior is interpreted within a framework of nonlinear elastic stress-strain response, and yields second- and third-order elastic stiffnesses of 340 newtons per meter (N m–1) and –690 Nm–1, respectively. The breaking strength is 42 N m–1 and represents the intrinsic strength of a defect-free sheet. These… CONTINUE READING

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