Figure 1: Interlayer-mediated wavy crack generation.
From: Universality of periodicity as revealed from interlayer-mediated cracks
(a) Cross-sectional schematics of the interlayer crack sample. (b–e) Optical micrographs of various interlayer samples in top view, (b) polymer, (c) metal, (d) graphene. (e) The spiral interlayer sample demonstrates the versatility of this method. All scale bars represent 40 μm.
