One-dimensional method of investigating the localized states in armchair graphene-like nanoribbons with defects

作     者：谢阳 胡智健 丁文浩 吕小龙 谢航 

作者机构：College of Physics Chongqing University Chongqing 401331 China 

出 版 物：《Chinese Physics B》 (中国物理B（英文版）)

年 卷 期：2017年第26卷第12期

页      面：516-525页

核心收录：

学科分类：081704[工学-应用化学] 07[理学] 070205[理学-凝聚态物理] 08[工学] 0817[工学-化学工程与技术] 080501[工学-材料物理与化学] 0805[工学-材料科学与工程（可授工学、理学学位）] 0703[理学-化学] 070301[理学-无机化学] 0702[理学-物理学] 

基　　金：Project supported by the Starting Foundation for the‘Hundred Talent Program’of Chongqing University China(Grants No.0233001104429) 

主　　题：graphene nanoribbons tight-binding model energy band localized states 

摘      要：In this paper we propose a type of new analytical method to investigate the localized states in the armchair graphene-like nanoribbons. The method is based on the tight-binding model and with a standing wave assumption. The system of armchair graphene-like nanoribbons includes the armchair supercells with arbitrary elongation-type line defects and the semi-infinite nanoribbons. With this method, we analyze many interesting localized states near the line defects in the graphene and boron-nitride nanoribbons. We also derive the analytical expressions and the criteria for the localized states in the semi-infinite nanoribbons.