碳纳米管的电学性质  

Electronic properties of carbon nanotubes

作　　者：饶早英[1] 王蜀霞[1] 牛君杰[1] 杨云青[1] 胡慧君[1] 

机构地区：[1]重庆大学数理学院,重庆400044

出　　处：《重庆工学院学报（自然科学版）》2008年第1期52-54,121,共4页Journal of Chongqing Institute of Technology

基　　金：重庆市自然科学基金资助项目(CSTC;2006BB4018)

摘　　要：依据碳纳米管中电子-声子相互作用的原理,采用哈密顿量、量子化理论推导了二聚化对应能隙和相变温度,在紧束缚近似、量子理论和能带理论的基础上,利用周期性边界条件对碳纳米管Π电子进行了分析,讨论了碳纳米管的导电性,预测了室温下碳纳米管碳管中载流子输运方向.Based on the electron-lattice interaction, Frohlich Hamihonian and quantization theory are used to deduce the dimerized energy gap and phase transition temperature of carbon nanotube. On the basis of tight binding model and quantum theory and energy band theory, the H electrons of carbon nanotubes are analyzed with the periodic boundary condition, the conductivity of carbon nanotubes is discussed, and the direction of electronic translation of carbon nanotubes is predicted.

关 键 词：碳纳米管 导电性 能隙 相变温度 

分 类 号：O471.1[理学—半导体物理] TB383[理学—物理]