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Issue 35, 2012
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From aromaticity to self-organized criticality in graphene

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The unique properties of graphene are rooted in its peculiar electronic structure where effects of electron delocalization are pivotal. We show that the traditional view of delocalization as formation of a local or global aromatic bonding framework has to be expanded in this case. A modification of the π-electron system of a finite-size graphene substrate results in a scale-invariant response in the relaxation of interatomic distances and reveals self-organized criticality as a mode of delocalized bonding. Graphene is shown to belong to a diverse class of finite-size extended systems with simple local interactions where complexity emerges spontaneously under very general conditions that can be a critical factor controlling observable properties such as chemical activity, electron transport, and spin-polarization.

Graphical abstract: From aromaticity to self-organized criticality in graphene

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Article information

23 May 2012
27 Jul 2012
First published
30 Jul 2012

Phys. Chem. Chem. Phys., 2012,14, 12075-12078
Article type

From aromaticity to self-organized criticality in graphene

D. Yu. Zubarev, M. Frenklach and W. A. Lester Jr, Phys. Chem. Chem. Phys., 2012, 14, 12075
DOI: 10.1039/C2CP41675A

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