Doping Effect on Electronic and Transport Properties of Graphene Nanoribbons: An ab-initio Study

被引：1
|
作者：
Chauhan, Satyendra Singh [1 ]
Srivastava, Pankaj [2 ]
Khan, Hushain Jiwa [3 ]
机构：
[1] Inst Informat Technol & Management, Gwalior 474001, MP, India
[2] ABV, Indian Inst Informat Technol & Management, Gwalior 474010, India
[3] RGVP, Sch Nanotechnol, Bhopal, India
来源：
SOLID STATE PHYSICS: PROCEEDINGS OF THE 55TH DAE SOLID STATE PHYSICS SYMPOSIUM 2010, PTS A AND B | 2011年 / 1349卷
关键词：
graphene nanoribbons; stability; electronic; transport; metallicity;
D O I：
10.1063/1.3605843
中图分类号：
O469 [凝聚态物理学];
学科分类号：
070205 ;
摘要：
We present spin-unpolarized DFT study for band structures, density of states and transmission of armchair graphene nanoribbons (AGNRs) using local density approximations (LDA). The band gaps of AGNRs were found to vary randomly with the width of ribbon and they show semiconducting behavior. We have used oxygen as a dopant in AGNRs and observed the metallicity and half-metallicity in AGNRs. The transports are highly influenced by edge doping of oxygen in AGNRs. Since transmissions in AGNRs are oxygen sensitive, so they can be used for sensor applications.
引用
收藏
页码：279 / +
页数：2
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