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CURRENT-VOLTAGE CHARACTERISTICS OF A GAS-FIELD ION-SOURCE

被引：24
作者：
JOUSTEN, K
BOHRINGER, K
KALBITZER, S
机构：
[1] Max-Planck-Inst fuer Kernphysik, Heidelberg, West Ger, Max-Planck-Inst fuer Kernphysik, Heidelberg, West Ger
来源：
APPLIED PHYSICS B-PHOTOPHYSICS AND LASER CHEMISTRY | 1988年 / 46卷 / 04期
关键词：
ELECTRIC MEASUREMENTS - Current - GASES; INERT - Pressure Measurement - HYDROGEN - Temperature Measurement;
D O I：
10.1007/BF00686454
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
Current-voltage characteristics of a gas field ion source (GFIS) have been measured for hydrogen and all rare gases. The parameter set included tip temperature, tip radius and gas temperature and pressure. This investigation has been made to get a complete overview of the field ion currents (FIC) and to estimate the maximum currents in a GFIS, which have been found to a few 100 nA. This estimate allows also a feasibility study of a FGIS, modified by a supertip, a small protuberance on the emitter surface.
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页码：313 / 323
页数：11
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