Microstructure of epitaxial Pb(Mg1/3Nb2/3)O3-PbTiO3 thin films grown by metalorganic chemical vapor deposition

S. Stemmer; G. R. Bai; N. D. Browning; S. K. Streiffer

doi:10.1063/1.372376

Microstructure of epitaxial Pb(Mg_1/3Nb_2/3)O₃-PbTiO₃ thin films grown by metalorganic chemical vapor deposition

S. Stemmer, G. R. Bai, N. D. Browning, S. K. Streiffer

Research output: Contribution to journal › Article › peer-review

24 Scopus citations

Abstract

Epitaxial, perovskite Pb(Mg_1/3Nb_2/3)O₃-PbTiO₃ films were grown by metalorganic chemical vapor deposition under various deposition conditions and characterized by x-ray diffraction and transmission electron microscopy. Pyrochlore free films were obtained under all deposition conditions used in this study. Magnesium-rich growth conditions lead to the formation of a Mg-rich impurity phase in the films, embedded as coherent lamellae parallel to the growth direction. Depending on the growth conditions, a wide variation in the stoichiometry and volume fraction of this impurity phase was found between samples, whereas morphology and crystal structure were found to be very similar.

Original language	English
Pages (from-to)	3526-3531
Number of pages	6
Journal	Journal of Applied Physics
Volume	87
Issue number	7
DOIs	https://doi.org/10.1063/1.372376
State	Published - Apr 2000
Externally published	Yes

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AU - Stemmer, S.

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AU - Browning, N. D.

AU - Streiffer, S. K.

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AB - Epitaxial, perovskite Pb(Mg1/3Nb2/3)O3-PbTiO3 films were grown by metalorganic chemical vapor deposition under various deposition conditions and characterized by x-ray diffraction and transmission electron microscopy. Pyrochlore free films were obtained under all deposition conditions used in this study. Magnesium-rich growth conditions lead to the formation of a Mg-rich impurity phase in the films, embedded as coherent lamellae parallel to the growth direction. Depending on the growth conditions, a wide variation in the stoichiometry and volume fraction of this impurity phase was found between samples, whereas morphology and crystal structure were found to be very similar.

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Microstructure of epitaxial Pb(Mg_1/3Nb_2/3)O₃-PbTiO₃ thin films grown by metalorganic chemical vapor deposition

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