1988
DOI: 10.1149/1.2096054
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Direct Mass Spectrometric Identification of Silicon Oxychloride Compounds

Abstract: Silicon oxychloride compounds formed during the high temperature reaction of Si and SiC with C1JO2 mixtures at 930 ~ and 950~ have been directly observed with an atmospheric pressure mass spectrometer sampling system. Molecules with the formulas Si2OC16 and Si3OC18 have been identified. These compounds are very likely formed by a gas phase reaction between the oxygen gas in the system and silicon tetrachloride which is produced by chlorination of the silicon-based material.

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Cited by 14 publications
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“…The shape of this curve is consistent with an ionization and Si 3 OCl 8 vapor species in studies of the Si-O-Cl system in our laboratory with this instrument. 15 SiCl 4 and Si 2 OCl 6 are process involving the production of a single positive ion. 16 In this case the appearance potential will be equal to the sum of the chloride species analogous to the volatile hydroxides in Eqs.…”
Section: Resultsmentioning
confidence: 99%
“…The shape of this curve is consistent with an ionization and Si 3 OCl 8 vapor species in studies of the Si-O-Cl system in our laboratory with this instrument. 15 SiCl 4 and Si 2 OCl 6 are process involving the production of a single positive ion. 16 In this case the appearance potential will be equal to the sum of the chloride species analogous to the volatile hydroxides in Eqs.…”
Section: Resultsmentioning
confidence: 99%