Journal
APPLIED PHYSICS LETTERS
Volume 102, Issue 2, Pages -Publisher
AMER INST PHYSICS
DOI: 10.1063/1.4775597
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Funding
- Victorian Partnership for Advanced Computing
- Merit Allocation Scheme on the NCI National Facility at the Australian National University
- Faculty of Engineering at Monash University
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The electromechanical actuation of a highly ordered compound of graphene oxide (GO) is shown via ab initio simulations to produce high-performance quantum-mechanical responses, which mimic the behaviour of mammalian skeletal muscle. In addition to large expansive strains (similar to 10%), this GO compound (asymmetrically unzipped C4O) exhibits large contractive strains of -4.8% upon -0.15 e/C-atom electron injection. Furthermore, as these contractive strains are coupled with equally high stresses (similar to 100 GPa) and short response times (similar to 1 ns), we show that this GO material meets all of the functional requirements of an artificial muscle building block. (C) 2013 American Institute of Physics. [http://dx.doi.org/10.1063/1.4775597]
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