Study of Electrostatic Discharges upon the Electron Irradiation of K-208 Glass

被引：6
|
作者：
Khasanshin, R. H. [1 ]
Novikov, L. S. [2 ]
Korovin, S. B. [3 ]
机构：
[1] OAO Kompozit, Korolev 141070, Moscow Oblast, Russia
[2] Moscow MV Lomonosov State Univ, Skobeltsyn Inst Nucl Phys, Moscow 119991, Russia
[3] Russian Acad Sci, Prokhorov Gen Phys Inst, Moscow 119991, Russia
来源：
JOURNAL OF SURFACE INVESTIGATION | 2015年 / 9卷 / 01期
关键词：
dielectrics; electrostatic discharges; electron irradiation;
D O I：
10.1134/S1027451015010115
中图分类号：
O469 [凝聚态物理学];
学科分类号：
070205 ;
摘要：
We report the results of atomic- force microscopy studies of the surface of samples of the protective coating of spacecraft solar cells made of K-208-glass irradiated with 20-and 40-keV electrons at a flux density of phi(e) = 10(10)-5 x 10(11) cm(-2) s(-1) and a residual pressure of 10(-4) Pa in the vacuum chamber. The traces of electrostatic discharges that occur at different irradiation intensities are analyzed. It is established that at phi(e) < 5 x 10(10) cm(-2) s(-1) discharges of the type glass-surrounding ionized gas are dominant, which lead to the formation of microprotrusions on the irradiated surface in the regions of plasma ejection, while at phi(e) > 2.0 x 10(11) cm(-2) s(-1) discharges flowing mainly along the sample surface prevail.
引用
收藏
页码：81 / 86
页数：6
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