Structural, Electronic and Mechanical properties of all-sp${}^2$ graphene allotropes: the specific strength of tilene parent is higher than that of graphene and flakene has the minimal density

Tommaso Morresi, Andrea Pedrielli, Silvio a Beccara +3

In this work a systematic approach to the search for all-$s{p}^2$ bonded carbon allotropes with low density is presented. In particular, we obtain a number of novel energetically sta…