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The new look at the growth of graphene-like materials immediately led to new knowledge about these two-dimensional structures. Unexpectedly, the researchers found that the most common type of defect already forms in the very initial stages of growth, when the lattice is not yet established. They also observed how the lattice mismatch is then 'repaired' by another defect, leading to a stable defect configuration, which either remains or only very slowly heals further to a more perfect lattice. Thus, the model system not only allows researchers to rebuild the graphene lattice on a larger scale for all sorts of applications, but the direct observations also allow insights into atomic dynamics in this class of materials. As defects are central to the properties of all atomically thin materials, these direct observations in model systems help further engineer the atomic counterparts, for example for applications in ultra- lightweight materials and optical and electronic devices. The findings are published in Nature Communications. More information: Piet J. M. Swinkels et al, Visualizing defect dynamics by assembling the colloidal graphene lattice, Nature Communications (2023). DOI: 10.1038/s41467-023-37222-4. www.nature.com/articles/s41467-023-37222-4 Provided by University of Amsterdam Citation: Graphene grows—physicists find a way to visualize it (2023, March 24) retrieved 3 April 2023 from https://phys.org/news/2023-03-graphene-growsphysicists-visualize.html This document is subject to copyright. Apart from any fair dealing for the purpose of private study or research, no part may be reproduced without the written permission. The content is 5/6PDF Image | Graphene grows
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