Moiré miniband features in the angle-resolved photoemission spectra of graphene/hBN heterostructures

Marcin Mucha-Kruczynski, J. R. Wallbank, V. I. Fal'ko

Research output: Contribution to journalArticle

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Abstract

We identify features in the angle-resolved photoemission spectra (ARPES) arising from the periodic pattern characteristic for graphene heterostructure with hexagonal boron nitride (BN). For this, we model ARPES spectra and intensity maps for five microscopic models used previously to describe moire superlattice in graphene/h BN systems. We show that detailed analysis of these features can be used to pin down the microscopic mechanism
of the interaction between graphene and BN. We also analyze how the presence of a moire-periodic strain in graphene or scattering of photoemitted electrons off BN can be distinguished from the miniband formation.
Original languageEnglish
Article number085409
Pages (from-to)1-8
Number of pages8
JournalPhysical Review B
Volume93
Issue number8
Early online date8 Feb 2016
DOIs
Publication statusPublished - 15 Feb 2016

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