Secondary electron emission coefficient of a MgO single crystal

被引：57

作者：

Choi, EH ^{[1
]}

Lim, JY ^{[1
]}

Kim, YG ^{[1
]}

Ko, JJ ^{[1
]}

Kim, DI ^{[1
]}

Lee, CW ^{[1
]}

Cho, GS ^{[1
]}

机构：

[1] Kwangwoon Univ, PDP Res Ctr, Dept Electrophys, Charged Particle Beam & Plasma Lab, Seoul 139701, South Korea

来源：

JOURNAL OF APPLIED PHYSICS | 1999年 / 86卷 / 11期

关键词：

D O I：

10.1063/1.371618

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

The secondary electron emission coefficient gamma of different MgO single crystal has been measured by gamma-focused ion beam system. It is found that the MgO single crystal with (111) orientation has the highest gamma from 0.08 up to 0.21, while from 0.06 to 0.19 for (200) and from 0.05 to 0.15 for (220) orientation for operating Ne+ ions ranging from 50 to 300 eV throughout this experiment. It is also found that these observations can be explained by work functions, which are dependent on the crystal orientations of MgO. (C) 1999 American Institute of Physics. [S0021-8979(99)07723-3].

引用

页码：6525 / 6527

页数：3

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