Fig. 2
From: Reversible conductivity recovery of highly sensitive flexible devices by water vapor
a Representation of the treatments used for healing the Au network electrode. b SEM images for original, damaged and healed surface of Au microfiber (from left to right). c Change of the resistance of the Au network under stretching, after relaxing, and after healing without strain. d, e Resistance changes of the Au network for 10 stretching and healing cycles at 5, 10, 20, and 50% strain
