2-PHOTON LASER-INDUCED FLUORESCENCE MEASUREMENTS OF ABSOLUTE ATOMIC-HYDROGEN DENSITIES AND POWDER FORMATION IN A SILANE DISCHARGE

被引:14
作者
CZARNETZKI, U
MIYAZAKI, K
KAJIWARA, T
MURAOKA, K
OKADA, T
MAEDA, M
SUZUKI, A
MATSUDA, A
机构
[1] KYUSHU UNIV,DEPT ELECT ENGN,FUKUOKA 812,JAPAN
[2] ELECTROTECH LAB,UMEZONO,TSUKUBA 305,JAPAN
来源
JOURNAL OF VACUUM SCIENCE & TECHNOLOGY A-VACUUM SURFACES AND FILMS | 1994年 / 12卷 / 03期
关键词
D O I
10.1116/1.578831
中图分类号
TB3 [工程材料学];
学科分类号
0805 ; 080502 ;
摘要
Absolute and spatially resolved hydrogen densities were measured in a silane radio frequency discharge by two-photon laser induced fluorescence spectroscopy. The excitation wavelength was 205 nm and the observation wavelength was 656 nm (Balmer alpha). Titration in a flow tube reactor was used for calibration of the detection system, enabling for the first time the determination of reliable absolute hydrogen densities in a silane discharge. In addition, spontaneous as well as laser induced powder formation was observed.
引用
收藏
页码:831 / 834
页数:4
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