In situ measurements of SiO(g) production during dry oxidation of crystalline silicon

Walkup, R. E.; Raider, S. I.
September 1988
Applied Physics Letters;9/5/1988, Vol. 53 Issue 10, p888
Academic Journal
We report in situ measurements of SiO(g) evolution during the oxidation of silicon by O2 for a range of experimental conditions including the transition from active to passive oxidation. The results show that this transition occurs when the SiO(g) partial pressure reaches the equilibrium vapor pressure for the reaction Si(s)+SiO(s)⇄2SiO(g). During the growth of a SiO2 film, there is no significant transport of SiO molecules into the gas phase.


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