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Science 26 September 1969:
Vol. 165. no. 3900, pp. 1363 - 1364
DOI: 10.1126/science.165.3900.1363
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Articles

Silicon Oxynitride Stability

W. R. Ryall 1 and Arnulf Muan 1

1 Department of Geochemistry and Mineralogy, Pennsylvania State University, University Park 16802

Silicon oxynitride occurs as a mineral (sinoite) in meteorites. Equilibrium measurements are reported which provide information on the approximate ratios of pressures of oxygen to nitrogen required for existence of this phase under equilibrium conditions at elevated temperatures. This ratio is approximately 10-15 at 1400° to 1500°C.

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Science. ISSN 0036-8075 (print), 1095-9203 (online)