Emission of electrons from diamond surfaces induced by MeV ions

被引：0

作者：

Rebuli, DB ^{[1
]}

Sideras-Haddad, E ^{[1
]}

Connell, SH ^{[1
]}

机构：

[1] Univ Witwatersrand, Schonland Res Inst Nucl Sci, ZA-2050 Johannesburg, Johannesburg, South Africa

来源：

NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION B-BEAM INTERACTIONS WITH MATERIALS AND ATOMS | 2004年 / 219卷

关键词：

diamond; electron emission; ion beams;

D O I：

10.1016/j.nimb.2004.01.072

中图分类号：

TH7 [仪器、仪表];

学科分类号：

0804 ; 080401 ; 081102 ;

摘要：

Large electron emission yields from natural p-type semiconducting, natural insulating and synthetic insulating diamond induced by light and medium ion impacts were measured, as a function of energy in the MeV range. The two insulating diamonds consistently gave smaller yields than the semiconducting diamond, which is thought to be due to surface charging. The yield from the synthetic diamond was greatly reduced possibly due to defect trapping of electrons. A theoretical model based on kinetic transport theory was used to fit the data, showing a relation between the ion-target system and the electron emission. (C) 2004 Elsevier B.V. All rights reserved.

引用

页码：299 / 302

页数：4

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