CAVITY RINGDOWN LASER-ABSORPTION SPECTROSCOPY AND TIME-OF-FLIGHT MASS-SPECTROSCOPY OF JET-COOLED SILVER SILICIDES

被引：60

作者：

SCHERER, JJ

PAUL, JB

COLLIER, CP

SAYKALLY, RJ

机构：

[1] Department of Chemistry, University of California, Berkeley

来源：

JOURNAL OF CHEMICAL PHYSICS | 1995年 / 103卷 / 01期

关键词：

D O I：

10.1063/1.469649

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

The cavity ringdown technique has been employed for the first spectroscopic characterization of the AgSi molecule, which is generated in a pulsed laser vaporization plasma reactor. A total of 20 rovibronic bands between 365 and 385 nm have been measured and analyzed to yield molecular properties for the X, B, and C 2Σ states of AgSi. A time-of-flight mass spectrometer simultaneously monitors species produced in the molecular beam and has provided the first direct evidence for the existence of polyatomic silver silicides. Comparison of the AgSi data to our recent results for the CuSi diatom reveals very similar chemical bonding in the two coinage metal silicides, apparently dominated by covalent interactions. © 1995 American Institute of Physics.

引用

页码：113 / 120

页数：8

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