Graphene can be made auxetic, through the introduction of vacancy defects. This results in the thinnest negative Poisson's ratio material at ambient conditions known so far, an effect achieved via a nanoscale de-wrinkling mechanism that mimics the behavior at the macroscale exhibited by a crumpled sheet of paper when stretched.
Tailoring graphene to achieve negative poisson's ratio properties / Grima, J. N.; Winczewski, S.; Mizzi, L.; Grech, M. C.; Cauchi, R.; Gatt, R.; Attard, D.; Wojciechowski, K. W.; Rybicki, J.. - In: ADVANCED MATERIALS. - ISSN 1521-4095. - 27:8(2015), pp. 1455-1459. [10.1002/adma.201404106]
Tailoring graphene to achieve negative poisson's ratio properties
Mizzi L.;
2015
Abstract
Graphene can be made auxetic, through the introduction of vacancy defects. This results in the thinnest negative Poisson's ratio material at ambient conditions known so far, an effect achieved via a nanoscale de-wrinkling mechanism that mimics the behavior at the macroscale exhibited by a crumpled sheet of paper when stretched.
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