Snap-through transition of buckled graphene membranes for memcapacitor applications

Ruslan D. Yamaletdinov, Oleg V. Ivakhnenko, Olga V. Sedelnikova, Sergey N. Shevchenko, Yuriy V. Pershin

Research output: Contribution to journalArticlepeer-review

11 Citations (Scopus)

Abstract

Using computational and theoretical approaches, we investigate the snap-through transition of buckled graphene membranes. Our main interest is related to the possibility of using the buckled membrane as a plate of capacitor with memory (memcapacitor). For this purpose, we performed molecular-dynamics (MD) simulations and elasticity theory calculations of the up-to-down and down-to-up snap-through transitions for membranes of several sizes. We have obtained expressions for the threshold switching forces for both up-to-down and down-to-up transitions. Moreover, the up-to-down threshold switching force was calculated using the density functional theory (DFT). Our DFT results are in general agreement with MD and analytical theory findings. Our systematic approach can be used for the description of other structures, including nanomechanical and biological ones, experiencing the snap-through transition.

Original languageEnglish
Article number3566
Pages (from-to)3566
Number of pages13
JournalScientific Reports
Volume8
Issue number1
DOIs
Publication statusPublished - 23 Feb 2018

Keywords

  • BEHAVIOR
  • CARBON NANOTUBE
  • DISTRIBUTED ELECTROSTATIC FORCE
  • MECHANICAL-PROPERTIES
  • MOLECULAR-DYNAMICS SIMULATION
  • NANORIBBONS
  • RESONATORS
  • SYMMETRY-BREAKING
  • THERMAL-CONDUCTIVITY

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