Growth of Oxide Compounds under Dynamic Atmosphere Composition

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Commercially available gases contain residual impurities leading to a background oxygen partial pressure of typically several 10^{-6} bar, independent of temperature. This oxygen partial pressure is inappropriate for the growth of some single crystals where the desired oxidation state possesses a narrow stability field. Equilibrium thermodynamic calculations allow the determination of dynamic atmosphere compositions yielding such self adjusting and temperature dependent oxygen partial pressures, that crystals like ZnO, Ga2O3, or Fe{1-x}O can be grown from the melt.
4 pages, 3 figures, talk on CGCT-4 Sendai, May 21-24, 2008

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Materials Science, Chemical Physics

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http://salesiana.dossiersoluciones.com/handle/123456789/221838

Consulte el texto completo en el siguiente enlace:

https://arxiv.org/abs/0805.2217
 http://arxiv.org/abs/0805.2217
 J. Crystal Growth 311 (2009) 534--536
 doi:10.1016/j.jcrysgro.2008.09.037

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arXiv