Auxetic materials (negative Poisson’s ratio) are of exceptional importance for nanomechanical applications. Using first-principles calculations, we propose two-dimensional δ-phase carbon monochalco...

Abstract Using a combination of finite element numerical simulation and experimental verification, the honeycomb structure with different parameters negative Poisson’s ratio is compressed at uniform speed. The influence angle parameter θ , size h thickness t on energy absorption whole studied, main factors influencing are discussed. results show that larger concave angle, smaller cell, better o...