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Formation Dynamics of Carbon Atomic Chain from Graphene by Electron Beam Irradiation
Applied Microscopy 2018;48:126-7
Published online December 28, 2018
© 2018 Korean Society of Microscopy.

Hyo Ju Park, and Zonghoon Lee*

School of Materials Science and Engineering, Ulsan National Institute of Science and Technology (UNIST), Ulsan 44919, Korea
Correspondence to: *Correspondence to: Lee Z, http://orcid.org/0000-0003-3246-4072, Tel: +82-52-217-2327, Fax: +82-52-217-2309, E-mail: zhlee@unist.ac.kr
Received December 20, 2018; Revised December 21, 2018; Accepted December 21, 2018.
his is an open-access article distributed under the terms of the Creative Commons Attribution Non-Commercial License (http://creativecommons.org/licenses/by-nc/4.0) which permits unrestricted noncommercial use, distribution, and reproduction in any medium, provided the original work is properly cited.
Abstract

Carbon has numerous allotropes and various crystalline forms with full dimensionalities such as diamond, graphite, fullerenes, and carbon nanotubes leading a wide range of applications. Since the emerge of graphene consisting of a single atomic layer of carbon atoms, a fabrication of all-carbon-based device with combination of one-, two-, and three-dimensional carbons has become a hot issue. Here, we introduce an ultimate one-dimensional carbon atomic chain. Carbon atomic chains were experimentally created by removing atoms from monolayer graphene sheet under electron beam inside transmission electron microscope (TEM). A series of TEM images demonstrate the dynamics of carbon atomic chains over time from the formation, transformation, and then breakage.

Keywords : Aberration-corrected transmission electron microscope, Carbon atomic chain, Graphene, Defect structure, Electron beam irradiation
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