Two Phases with Different Domain Wall Networks and a Reentrant Phase Transition in Bilayer Graphene under Strain

Irina V. Lebedeva and Andrey M. Popov
Phys. Rev. Lett. 124, 116101 – Published 19 March 2020

Abstract

The analytical two-chain Frenkel-Kontorova model is used to describe domain wall networks in bilayer graphene upon biaxial stretching of one of the layers. We show that the commensurate-incommensurate phase transition leading to formation of a regular triangular domain wall network at the relative biaxial elongation of 3.0×103 is followed by the transition to another incommensurate phase with a striped network at the elongation of 3.7×103. The reentrant transition to the phase with a triangular domain wall network is predicted for the elongation 102.

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  • Received 28 October 2019
  • Accepted 21 February 2020

DOI:https://doi.org/10.1103/PhysRevLett.124.116101

© 2020 American Physical Society

Physics Subject Headings (PhySH)

Condensed Matter, Materials & Applied Physics

Authors & Affiliations

Irina V. Lebedeva1,* and Andrey M. Popov2,†

  • 1CIC nanoGUNE BRTA, San Sebastián 20018, Spain
  • 2Institute for Spectroscopy of Russian Academy of Sciences, Troitsk, Moscow 108840, Russia

  • *liv_ira@hotmail.com
  • popov-isan@mail.ru

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Issue

Vol. 124, Iss. 11 — 20 March 2020

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