Impact of target-derived and ambient oxygen on gas-phase oxidation in laser ablation plumes

被引：0
|
作者：
Wallace, Stirling c. [1 ,2 ]
Shaik, Abdul k. [1 ]
Phillips, Mark c. [3 ]
Harilal, Sivanandan s. [1 ]
机构：
[1] Pacific Northwest Natl Lab, Richland, WA 99354 USA
[2] South Dakota Sch Mines & Technol, Rapid City, SD 55701 USA
[3] Univ Arizona, James C Wyant Coll Opt Sci, Tucson, AZ 85721 USA
来源：
OPTICS LETTERS | 2024年 / 49卷 / 24期
关键词：
MOLECULAR FORMATION; SHOCK-WAVE; SPECTROSCOPY; CHEMISTRY; EMISSION; PLASMA;
D O I：
10.1364/OL.543518
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
Gas-phase oxidation in a laser-produced plasma is significantly influenced by the availability of oxygen in and around the plume. In this study, we investigate the role of target- derived and ambient oxygen on AlO formation in plasmas generated from aluminum (Al) and Al2O3 targets in air and argon, respectively. Our results highlight that gas-phase oxidation occurs early during the evolution of Al2O3 plasmas in argon, in contrast to Al plasmas in air, where the initial exclusion of oxygen from the plume delays the chemical reactions. (c) 2024 Optica Publishing Group. All rights, including for text and data mining (TDM), Artificial Intelligence (AI) training, and similar technologies, are reserved.
引用
收藏
页码：7178 / 7181
页数：4
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