Transfer doping of diamond via 2,3-dichloro-5,6-dicyano-1,4-benzoquinone (DDQ)

被引：4

作者：

Goss, J. P. ^{[1
]}

Eyre, R. J. ^{[1
]}

Briddon, P. R. ^{[1
]}

机构：

[1] Newcastle Univ, Sch Nat Sci, Newcastle Upon Tyne NE1 7RU, Tyne & Wear, England

来源：

PHYSICA STATUS SOLIDI A-APPLICATIONS AND MATERIALS SCIENCE | 2007年 / 204卷 / 09期

关键词：

D O I：

10.1002/pssa.200776312

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Hydrogen terminated diamonds exposed to atmosphere typically exhibit surface p-type conduction, thought to be due to transfer doping with holes in the surface valence band and negatively charged counter-ions in an adsorbed layer. The effect has been demonstrated with atmospheric contamination forming an aqueous layer, and by C-60 molecules. In this paper we show using first-principles computational methods that organic layers made up from DDQ molecules may also be a candidate for inducing holes in the diamond surface. The effect appears independent of surface orientation and surface coverage. (C) 2007 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim.

引用

页码：2903 / 2908

页数：6

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