Hi, Jun, Greetings! A recent article for shring. Happy Lunar New Year! Chan Qing ecqsun@ntu.edu.sg <Underneath the fascinations of carbon nanotubes and graphene nanoribbons> by Wei-Tao Zheng and Chang Q Sun Broken-bond-induced local quantum entrapment and densification of bonding charge and energy and the subsequent polarization of the edge nonbonding electrons dictate the demonstrated fascinations. Link; http://www3.ntu.edu.sg/home/ecqsun/RTF/EES-GNR.pdf ...