Where can I find quantitative explanation of graphene elasticity and brittleness?

12 May 2014 1 903 Report

Can anyone explain the following experimental results:

Graphene can be stretched elastically up to 20%; it has high brittleness (like glass), if deformation exceeds 20% [Science 324, 1530-1534(2009)].

Where can I find quantitative explanation of that experimental observation? Explanation in common words seems not interesting, because there is intrigue to find a method to calculate the mechanical properties of a few atoms which form nanostructure. I would be grateful for help.

Zacharias G. Fthenakis

Please have a look at this recent work

Nature Communications 5, 3782 (2014)

doi:10.1038/ncomms4782

Brittleness of graphene at high tensile stress, depends strongly on defects.

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