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. 2019 Sep 25;10:4360. doi: 10.1038/s41467-019-12327-x

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© The Author(s) 2019

Open Access This article is licensed under a Creative Commons Attribution 4.0 International License, which permits use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made. The images or other third party material in this article are included in the article’s Creative Commons license, unless indicated otherwise in a credit line to the material. If material is not included in the article’s Creative Commons license and your intended use is not permitted by statutory regulation or exceeds the permitted use, you will need to obtain permission directly from the copyright holder. To view a copy of this license, visit http://creativecommons.org/licenses/by/4.0/.

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Fig. 1 — AFM topography images. a Large-scale image of hBN crystals showing the periodic domain pattern. b–e Zoom-in view of different smaller regions revealing varied domain shapes. The dashed black lines are the contours of graphene epitaxial grown on hBN. Inset of e displays a high-resolution topography (friction-AFM) image demonstrating the small-period Moiré pattern at the graphene/hBN interface. The large-period domain patterns are influenced neither by the presence of graphene nor by hBN wrinkles (the white lines in a–d) on the top surface of the crystal