Time-Resolved Optical Spectroscopy of Lead at Near Critical-Point States

被引：0
|
作者：
A. Pyalling
V. Gryaznov
S. Kvitov
D. Nikolaev
V. Ternovoi
A. Filimonov
V. Fortov
D. Hoffmann
C. Stockl
M. Dornik
机构：
来源：
International Journal of Thermophysics | 1998年 / 19卷
关键词：
critical state; electron concentration; lead; shock compression; spectroscopy; thermal conductivity;
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中图分类号：
学科分类号：
摘要：
Experiments were performed to investigate the behavior of lead near its critical point. Emission spectra of shocked lead samples during unloading into helium at different initial pressures were measured by an optical multichannel analyzer (OMA), as well as by a fast optical pyrometer. To describe the obtained experimental data, a model of a thin mixture layer was suggested, in which helium emits due to the presence of external electrons from lead.
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页码：993 / 1001
页数：8
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