Ion-induced self-organized ripple patterns on graphite and diamond surfaces

被引:17
|
作者
Takahiro, K. [1 ]
Ozaki, K.
Kawatsura, K.
Nagata, S. [2 ]
Yamamoto, S. [3 ]
Narumi, K. [3 ]
Naramoto, H. [4 ]
机构
[1] Kyoto Inst Technol, Dept Chem & Mat Technol, Sakyo Ku, Kyoto 6068585, Japan
[2] Tohoku Univ, IMR, Aoba Ku, Sendai, Miyagi 9808577, Japan
[3] Japan Atom Energy Agcy, Takasaki, Gunma 3701292, Japan
[4] Japan Atom Energy Agcy, Tokai, Ibaraki 3191195, Japan
关键词
Sputter erosion; Ripple; Graphite; Diamond; Atomic force microscope; Ion beam; FIELD-EMISSION; CARBON-FILMS; TOPOGRAPHY; ALIGNMENT;
D O I
10.1016/j.apsusc.2009.05.103
中图分类号
O64 [物理化学(理论化学)、化学物理学];
学科分类号
070304 ; 081704 ;
摘要
In order to investigate the allotropic effect on ripple pattern formation, highly oriented pyrolytic graphite (HOPG) and single crystalline diamond were irradiated with 10-200 keV Xe+ at an incident angle of 60 degrees with respective to the surface normal. The irradiation fluence was 2 x 10(17) cm (2) for all irradiations. Ripple patterns were observed on both HOPG and diamond surfaces. However, large differences in ripple wavelengths, amplitudes and surface roughnesses between HOPG and diamond were recognized. The reason for these differences is discussed. (C) 2009 Elsevier B.V. All rights reserved.
引用
收藏
页码:972 / 975
页数:4
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