Investigation of H2:CH4 plasma composition by means of spatially resolved optical spectroscopy - Publikacja - MOST Wiedzy

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Investigation of H2:CH4 plasma composition by means of spatially resolved optical spectroscopy

Abstrakt

The system based on spatially resolved optical emission spectroscopy dedicated for in situ diagnostics of plasma assisted CVD processes is presented in this paper. Measurement system coupled with chemical vapour deposition chamber by dedicated fiber-optic paths enables investigation of spatial distribution of species densities (Hx, H+, CH, CH+) during chemical vapour deposition process. Experiments were performed for a various gas inlet configuration at range of microwave power up to 800 W. Spatially resolved optical spectroscopy results showed that inlet configuration based on injecting hydrogen in ECR region and methane in substrate area is the most eficient for H+ and CH+3 excitation. The designed prototype of the spatially resolved optical spectroscopy system enables the high-sensitivity measurements of concentration of the species in the microwave plasma and can be used for optimisation of diamond-like carbon synthesis.

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Informacje szczegółowe

Kategoria:
Publikacja w czasopiśmie
Typ:
artykuł w czasopiśmie z listy filadelfijskiej
Opublikowano w:
ACTA PHYSICA POLONICA A nr 114,
ISSN: 0587-4246
Język:
angielski
Rok wydania:
2008
Opis bibliograficzny:
Bogdanowicz R.: Investigation of H2:CH4 plasma composition by means of spatially resolved optical spectroscopy// ACTA PHYSICA POLONICA A. -Vol. 114., nr. nr 6-A (2008),
Weryfikacja:
Politechnika Gdańska

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