IMPURITY ION PRODUCTION IN ALKALI ION SOURCES

被引：6
|
作者：
HOGAN, MJ
ONG, PP
机构：
[1] Department of Physics, National University of Singapore, Kent Ridge
来源：
REVIEW OF SCIENTIFIC INSTRUMENTS | 1990年 / 61卷 / 04期
关键词：
D O I：
10.1063/1.1141187
中图分类号：
TH7 [仪器、仪表];
学科分类号：
0804 ; 080401 ; 081102 ;
摘要：
It has long been known that new alkali ion sources utilizing thermionic emission from alkali aluminosilicates can achieve high percentages of the desired ion by a sufficiently long "burn-in." Observations are reported here of instances where increased impurity ion emission can reoccur and lead to possible measurement errors in experimental systems lacking mass spectrometers. The ratio of impurity K+ ions to Na+ ions from a burned-in Na2O·Al2O3· 2SiO2 source was measured to be 0.55.
引用
收藏
页码：1338 / 1339
页数：2
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