By introducing and graduly increasing the magnitude of disorder into both crystallineparticle packings and crystalline networks,we realize the evolution from crystals to amorphous solids.The evolution of structures an...By introducing and graduly increasing the magnitude of disorder into both crystallineparticle packings and crystalline networks,we realize the evolution from crystals to amorphous solids.The evolution of structures and mechanical properties during this process is expected to help,us understand the physical origin of the peculiar properties of amorphous solids,e.gthebosonpeak,so as to buildupthebridgebetween wll-established physics of crystals and that of amorphous solids.To our surprise,this attempt also reveals some extraordinary phenomena,including the hidden order-disorder transition from crystals to disordered crystals and the emergence of mechanical metamaterials with negative Poisson's ratios.展开更多
基金We would like to thank the group members who performed the studies discussed in this article.We also thank the support by the National Natural Science Foundation of China(Grant No.11734014).
文摘By introducing and graduly increasing the magnitude of disorder into both crystallineparticle packings and crystalline networks,we realize the evolution from crystals to amorphous solids.The evolution of structures and mechanical properties during this process is expected to help,us understand the physical origin of the peculiar properties of amorphous solids,e.gthebosonpeak,so as to buildupthebridgebetween wll-established physics of crystals and that of amorphous solids.To our surprise,this attempt also reveals some extraordinary phenomena,including the hidden order-disorder transition from crystals to disordered crystals and the emergence of mechanical metamaterials with negative Poisson's ratios.
