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ABSTRACT
The band structure, electronic structure and density of states of the Delta nitrogen-doped armchair-edge graphene nanoribbons (AGNRs) were investigated under compressive strain by means of an extension of the Extended Hückel method. The results indicate that the Nitrogen-doped graphene nanoribbons (N-AGNRs) system can show a good elastic behavior under 16% compressive strain. Meanwhile, N-AGNRs can maintain the metallic under compressive strain between 0% and 20%. Further analysis suggests that compressive strain induced electronic states nonlocal phenomenon.
Additional information
Funding
This work is supported by National Natural Science Foundation of China (Grant No.61664008), the Fundamental Capability Promotion Funds for Middle-aged and young teachers of Guangxi colleges and universities Project, China (Grant No. 2017KY0831), the Scientific Research Funds of Guangxi Normal University for Nationalities Project (Grant No. 2016QN002), Guangxi Natural Science Foundation (Grant No. 2015GXNSFBA139014) and the Basic Researcher Funds of Shaanxi Natural Science Program-Surface Project (Grant No. 2017JM6102).