Robuta

https://researchportal.northumbria.ac.uk/en/publications/auxeticity-of-monolayer-few-layer-vdw-heterostructure-and-ribbon-/ Auxeticity of monolayer, few-layer, vdW heterostructure and ribbon penta-graphene - Northumbria... penta graphene auxeticity monolayer vdw heterostructure