ONLINE GAS-PHASE OPTICAL DIAGNOSTICS IN PLASMA CVD DEPOSITION OF CARBON-FILMS

被引:11
作者
FANTONI, R [1 ]
GIORGI, M [1 ]
MOLITERNI, AGG [1 ]
BERDEN, WCM [1 ]
LAZIC, V [1 ]
MARTINI, O [1 ]
MATTIOT, FP [1 ]
机构
[1] ENIRICERCHE SPA,I-00015 MONTEROTONDO,ITALY
关键词
D O I
10.1557/JMR.1992.1204
中图分类号
T [工业技术];
学科分类号
08 ;
摘要
Space resolved, on-line spontaneous and stimulated emission, and CARS diagnostics have been employed on CH4/H2 mixtures excited by rf-discharge in order to investigate the chemical processes and the gas phase kinetics in the plasma. CH4 and H2 concentration and temperature have been monitored during the process as a function of main reaction parameters (rf-power, total pressure, CH4/H2 ratio). Formation of CH,H2, and H in excited states has been observed. On the basis of present spectroscopic data, a model for the gas-phase reactions accompanying the carbon film deposition is proposed.
引用
收藏
页码:1204 / 1214
页数:11
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