Fast Molecular Nitrogen Beam
作者:
Nyle G. Utterback,
Glenn H. Miller,
期刊:
Review of Scientific Instruments
(AIP Available online 1961)
卷期:
Volume 32,
issue 10
页码: 1101-1106
ISSN:0034-6748
年代: 1961
DOI:10.1063/1.1717173
出版商: AIP
数据来源: AIP
摘要:
Apparatus has been developed for producing a molecular N2beam covering the energy range 5–1000 ev. The technique includes ionization by electron impact, acceleration and focusing, and neutralization by charge transfer. Energy spread is 0.5 ev. The beam intensity ranges from 108molecules per second at low energy to 1010at high energy. The absolute beam intensity can be determined within 20%. Charge transfer efficiency, beam intensity monitoring, and adaptability of the apparatus to the studies of ionization cross sections and surface phenomena are discussed.
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