Doping of graphene: Density functional calculations of charge transfer between GaAs and carbon nanostructures

被引：17
|
作者：
Eberlein, T. A. G. [1 ]
Jones, R. [1 ]
Goss, J. P. [2 ]
Briddon, P. R. [2 ]
机构：
[1] Univ Exeter, Sch Phys, Exeter EX4 4QL, Devon, England
[2] Univ Newcastle, Sch Nat Sci, Newcastle Upon Tyne NE1 7RU, Tyne & Wear, England
来源：
PHYSICAL REVIEW B | 2008年 / 78卷 / 04期
关键词：
D O I：
10.1103/PhysRevB.78.045403
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Density functional theory is used to show that charge transfer occurs between chemical dopants in GaAs and adsorbates composed of C(60) or graphene lying on the (110) surface of GaAs. In the case of C(60), charge transfer only occurs for n-type GaAs, in agreement with previous experimental results. However, the calculations show that transfer between graphene and both n- and p-type GaAs can occur, which offers a simple way of doping graphene.
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页数：5
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