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Reactive sputtering deposition of SiO2 thin films

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2008
0352-51390801121R.pdf (209.6Kb)
Аутори
Radović, Ivan
Serruys, Yves
Limoge, Yves
Bibić, Nataša M.
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Апстракт
SiO2 layers were deposited in a UHV chamber by 1 keV Ar+ ion sputtering from a high purity silicon target, using different values of the oxygen partial pressure (5 x 10(-6)-2 x 10(-4) mbar) and of the ion beam Current on the target (1.67-6.85 mA). The argon partial pressure during operation of the ion gun was 1x10(-3) mbar. The Substrate temperature was held at 550 degrees C and the films were deposited to a thickness of 12.5-150 nm, at a rate from 0.0018-0.035 nm s(-1). Structural characterization of the deposited thin films was performed by Rutherford backscattering spectrometry (RBS analysis). Reactive sputtering was proved to be efficient for the deposition of silica at 550 degrees C, an oxygen partial pressure of 2 x 10(-4) mbar (ion beam Current on the target of 5 mA) or, at a lower deposition rate, ion beam current of 1.67 mA and an oxygen partial pressure of 6 x 10(-5) mbar. One aspect of these investigations was to Study the consumption of oxygen from the gas cylinder, which w...as found to be lower for higher deposition rates.

Кључне речи:
SiO2 / thin films / reactive sputtering / RBS analysis
Извор:
Journal of the Serbian Chemical Society, 2008, 73, 1, 121-126

DOI: 10.2298/JSC0801121R

ISSN: 0352-5139 (print)

WoS: 000253097300012

Scopus: 2-s2.0-39449126149
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URI
http://vinar.vin.bg.ac.rs/123456789/3361
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