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KMID : 1102020180480040126
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Applied Microscopy
2018 Volume.48 No. 4 p.126 ~ p.127
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Formation Dynamics of Carbon Atomic Chain from Graphene by Electron Beam Irradiation
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Park Hyo-Ju
Lee Zong-Hoon
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Abstract
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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.
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KEYWORD
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Aberration-corrected transmission electron microscope, Carbon atomic chain, Graphene, Defect structure, Electron beam irradiation
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