First ionization potentials of osmium and iridium determined by mass-analyzed double-resonance field-ionization spectroscopy

被引：19
|
作者：
Colarusso, P
LebeaultDorget, MA
Simard, B
机构：
[1] NATL RES COUNCIL CANADA, STEACIE INST MOL SCI, OTTAWA, ON K1A 0R6, CANADA
[2] UNIV LYON 1, SPECTROMETRIE ION & MOL LAB, CNRS, UMR 5579, F-69622 VILLEURBANNE, FRANCE
来源：
PHYSICAL REVIEW A | 1997年 / 55卷 / 02期
关键词：
D O I：
10.1103/PhysRevA.55.1526
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
The ionization potentials of neutral osmium and iridium atoms have been obtained by mass-analyzed optical-optical double resonance spectroscopy. Observation of the photoionization threshold yielded approximate values of 68 058+/-2 cm(-1) for Os I and 72 324+/-2 cm(-1) for Ir I. In addition, high-lying ns and nd Rydberg series were recorded and fit by a Rydberg formula in order to obtain independent values of the ionization potentials. The results were 68 058.9+/-1.6 cm(-1) for Os I and 72 323.9+/-1.8 cm(-1) for Ir I.
引用
收藏
页码：1526 / 1529
页数：4
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