File:Moiré superstructure of graphene on iridium (111) surface - STM and LEED characterization.svg

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Summary

Description
English: Scanning tunneling microscopy (STM) map of iridium (111) surface partially covered with single-layer graphene (lower-left part). Due to a 10% lattice mismatch, graphene develops a 2.5 nm moiré superstructure. This can be seen in low-energy electron diffraction (LEED, 69 eV) as new six points due to the intrinsic lattice periodicity of carbon atoms, and many replicas due to the long-wavelength (small wave vector) supermodulation of the moiré.
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Author Ponor
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Captions

Atomic resolution STM of the moiré superstructure of graphene on partially covered (111) surface of iridium, alongside 69 eV LEED images of the pristine and graphene-covered surface.

inception

15 June 2020

File history

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current20:23, 15 June 2020Thumbnail for version as of 20:23, 15 June 2020612 × 445 (1.03 MB)wikimediacommons>PonorUploaded own work with UploadWizard

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