Analytical results for the wrinkling of graphene on nanoparticles

M. Guedda, N. Alaa, and M. Benlahsen
Phys. Rev. E 94, 042806 – Published 17 October 2016

Abstract

A continuum elastic model, describing the wrinkling instability of graphene on substrate-supported silica nanoparticles [M. Yamamoto et al., Phys. Rev. X 2, 041018 (2012)], is analytically studied, and an exact analytical expression of the critical nanoparticle separation or the maximum wrinkle length is derived. Our findings agree with the scaling property of Yamamoto et al. but improve their results. Moreover, from the elastic model we find a pseudomagnetic field as a function of the wrinkling deflection, leading to the conclusion that the middle of the wrinkled graphene may have a zero pseudomagnetic field, in marked contrast with previous results.

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  • Received 20 April 2016
  • Revised 24 September 2016

DOI:https://doi.org/10.1103/PhysRevE.94.042806

©2016 American Physical Society

Physics Subject Headings (PhySH)

Condensed Matter, Materials & Applied Physics

Authors & Affiliations

M. Guedda1,*, N. Alaa2, and M. Benlahsen3

  • 1LAMFA, CNRS-UMR 7352, Université de Picardie Jules Verne, Amiens, France
  • 2LAMAI, FST Gueliz Cady Ayyad University, Marrakech, Morocco
  • 3LPMC, Université de Picardie Jules Verne, Amiens, France

  • *guedda@u-picardie.fr

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Issue

Vol. 94, Iss. 4 — October 2016

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