Proximity effects of negative charge groups contact-electrified on thin silicon oxide in air

被引:8
作者
Uchihashi, T
Okusako, T
Sugawara, Y
Yamanishi, Y
Oasa, T
Morita, S
机构
[1] HIROSHIMA UNIV, FAC SCI, LAB CRYSTAL PHYS, HIGASHIHIROSHIMA 739, JAPAN
[2] SUMITOMO MET IND LTD, ADV TECHNOL RES LABS, AMAGASAKI, HYOGO 660, JAPAN
关键词
D O I
10.1063/1.361784
中图分类号
O59 [应用物理学];
学科分类号
摘要
We investigated proximity effects of negative charge groups contact-electrified on a thin silicon oxide in air with an initial separation (L) less than a few micrometers using a modified atomic force microscope. As a result, we found the following phenomena. Even for L similar to 2.0 mu m, distributions of two negative charge groups approach each other with time after contact electrification, though this feature is contrary to the expected recession due to the Coulomb repulsive force. For less than L similar to 1.6 mu m, each stable state joins in one negative charge group. These proximity effects seem to be induced by the interplay of the Coulomb repulsive force and the surface diffusion of charges. (C) 1996 American Institute of Physics.
引用
收藏
页码:4174 / 4177
页数:4
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