RANGE OF APPLICATION FOR ASYMMETRIC DOUBLE PROBES

被引：9

作者：

AMEMIYA, H ^{[1
]}

FUCHS, G ^{[1
]}

机构：

[1] FORSCHUNGSZENTRUM JULICH, INST PLASMA PHYS, W-5170 JULICH 1, GERMANY

来源：

JAPANESE JOURNAL OF APPLIED PHYSICS PART 1-REGULAR PAPERS BRIEF COMMUNICATIONS & REVIEW PAPERS | 1991年 / 30卷 / 12A期

关键词：

ASYMMETRIC DOUBLE PROBE; LANGMUIR PROBE; PLASMA POTENTIAL; CRITICAL AREA RATIO; EDGE PLASMA;

D O I：

10.1143/JJAP.30.3531

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

Current-voltage characteristics of asymmetric double probes have been measured in hydrogen plasmas. It has been found that up to a critical ratio of the areas, a part of the probe characteristic in the neighborhood of zero voltage is symmetric with respect to a symmetric point. Above that critical ratio, the characteristic approaches that of a single probe. The true single probe characteristic can be obtained only if the area ratio is much larger than the above critical value.

引用

页码：3531 / 3532

页数：2

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