Studies on surface damage induced by ion bombardment

被引：18
|
作者：
Wang, YG [1 ]
Kang, YX
Zhao, WJ
Yan, S
Zhai, PJ
Tang, XW
机构：
[1] Peking Univ, Inst Heavy Ion Phys, Beijing 100871, Peoples R China
[2] Inst High Energy Phys, Beijing 100081, Peoples R China
来源：
JOURNAL OF APPLIED PHYSICS | 1998年 / 83卷 / 03期
关键词：
D O I：
10.1063/1.366836
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
Highly oriented pyrolitic graphite (HOPG) samples were bombarded by different kinds of ions, including H, He, B, C, and Au, at an energy range from 530 keV to 4.5 MeV. After bombardment, the sample surfaces were observed with scanning tunneling microscopy. All these experimental results show that the energetic ions could cause observable protrusionlike damage on the HOPG surfaces. The ratio of the areal density of protrusion to the ion dose increases with the nuclear energy loss and is in the range of 10(-5) to 2. The possible mechanism of these phenomena is also discussed. (C) 1998 American Institute of Physics. [S0021-8979(98)06201-X].
引用
收藏
页码：1341 / 1344
页数：4
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