Numerical investigation of the Poisson's ratio of an amorphous bilayer 2D network material

Abstract

This paper investigates the transverse contraction of amorphous bilayer 2D Silica with varying network heterogeneities under uniaxial tensile loading using athermal molecular simulations in LAMMPS. It turns out that the transverse contraction increases nonlinearly with the x‐strain while it decreases with increasing network heterogeneity. We show that it is possible to engineer the heterogeneity of amorphous network materials, making them potential candidates for nano‐electromechanical applications.

Numerical investigation of the Poisson's ratio of amorphous graphene sheets

“…The influence of the network heterogeneity on the transversal strain and the PR of non‐crystalline or amorphous 2D network structures has been investigated for mono‐ and bilayer 2D Silica by Stratmann et al. [19, 20]. Now, we numerically investigate transversal strain and PR with respect to the network heterogeneity of amorphous monolayer graphene.…”