Epitaxy‐induced phase of near‐stoichiometry PbTiO3films prepared by metalorganic chemical vapor deposition

Autor:	C. M. Foster, H. K. Kim, G. R. Bai, H. L. M. Chang, D. J. Lam
Rok vydání:	1992
Předmět:	Tetragonal crystal system Materials science Physics and Astronomy (miscellaneous) Analytical chemistry Deposition (phase transition) Mineralogy Crystal growth Orthorhombic crystal system Metalorganic vapour phase epitaxy Chemical vapor deposition Thin film Epitaxy
Zdroj:	Applied Physics Letters. 61:408-410
ISSN:	1077-3118 0003-6951
DOI:	10.1063/1.107897
Popis:	Ferroelectric PbTiO3 thin films have been prepared by a low‐pressure MOCVD process. Epitaxial films with a crystal structure of a bulk equilibrium tetragonal phase were readily obtained within a range of growth conditions. However, by providing excess Pb in the growth process, we have observed an epitaxy‐induced phase for near‐stoichiometry PbTiO3 which possesses a perovskite‐like, but possible, orthorhombic structure.
Databáze:	OpenAIRE
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