Phase relations in thin epitaxial films of complex oxides prepared by MOCVDстатья
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Дата последнего поиска статьи во внешних источниках: 12 октября 2013 г.
Аннотация:The composition and orientation of the phases nucleating on a single crystalline substrate duringMOCVD of complex oxides are governed by thermodynamics, growth kinetics, the structures of thesubstrate material and growing compounds. We demonstrate the importance of the formation of coherentinterfaces for the stabilization of otherwise non-equilibrium oxide phases. The systematic analysis ofexperimental results (e.g. HREM study of coherent R203 inclusions in RBa2Cu307 epitaxial films,epitaxial BaCu304 films on perovskite substrates of various orientations) shows that equilibriumrelations in epitaxial thin films of complex oxides could remarkably differ from those of ceramics.