Initial growth stages of epitaxial BaTiO3 films on vicinal SrTiO3 (001) substrate surfaces

A. Visinoiu; M. Alexe; H. N. Lee; D. N. Zakharov; A. Pignolet; D. Hesse; U. Gösele

doi:10.1063/1.1478800

Initial growth stages of epitaxial BaTiO₃ films on vicinal SrTiO₃ (001) substrate surfaces

A. Visinoiu, M. Alexe, H. N. Lee, D. N. Zakharov, A. Pignolet, D. Hesse, U. Gösele

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

53 Scopus citations

Abstract

The initial growth mechanism of epitaxial BaTiO₃ films is studied by combined application of atomic force microscopy, cross sectional high-resolution transmission electron microscopy, and x-ray diffraction. Epitaxial BaTiO₃ thin films were grown by pulsed laser deposition on vicinal Nb-doped SrTiO₃ (SrTiO₃:Nb) (001) substrates with well-defined terraces. X-ray diffraction and cross sectional high-resolution transmission electron microscopy investigations revealed well-defined epitaxial films and a sharp interface between BaTiO₃ films and SrTiO ₃:Nb substrates. The layer-then-island (Stranski-Krastanov mode) growth mechanism observed by analyzing the morphology of a sequence of films with increasing amount of deposited material has been confirmed by microstructure investigations.

Original language	English
Pages (from-to)	10157-10162
Number of pages	6
Journal	Journal of Applied Physics
Volume	91
Issue number	12
DOIs	https://doi.org/10.1063/1.1478800
State	Published - Jun 15 2002
Externally published	Yes

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title = "Initial growth stages of epitaxial BaTiO3 films on vicinal SrTiO3 (001) substrate surfaces",

abstract = "The initial growth mechanism of epitaxial BaTiO3 films is studied by combined application of atomic force microscopy, cross sectional high-resolution transmission electron microscopy, and x-ray diffraction. Epitaxial BaTiO3 thin films were grown by pulsed laser deposition on vicinal Nb-doped SrTiO3 (SrTiO3:Nb) (001) substrates with well-defined terraces. X-ray diffraction and cross sectional high-resolution transmission electron microscopy investigations revealed well-defined epitaxial films and a sharp interface between BaTiO3 films and SrTiO 3:Nb substrates. The layer-then-island (Stranski-Krastanov mode) growth mechanism observed by analyzing the morphology of a sequence of films with increasing amount of deposited material has been confirmed by microstructure investigations.",

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T1 - Initial growth stages of epitaxial BaTiO3 films on vicinal SrTiO3 (001) substrate surfaces

AU - Visinoiu, A.

AU - Alexe, M.

AU - Lee, H. N.

AU - Zakharov, D. N.

AU - Pignolet, A.

AU - Hesse, D.

AU - Gösele, U.

PY - 2002/6/15

Y1 - 2002/6/15

N2 - The initial growth mechanism of epitaxial BaTiO3 films is studied by combined application of atomic force microscopy, cross sectional high-resolution transmission electron microscopy, and x-ray diffraction. Epitaxial BaTiO3 thin films were grown by pulsed laser deposition on vicinal Nb-doped SrTiO3 (SrTiO3:Nb) (001) substrates with well-defined terraces. X-ray diffraction and cross sectional high-resolution transmission electron microscopy investigations revealed well-defined epitaxial films and a sharp interface between BaTiO3 films and SrTiO 3:Nb substrates. The layer-then-island (Stranski-Krastanov mode) growth mechanism observed by analyzing the morphology of a sequence of films with increasing amount of deposited material has been confirmed by microstructure investigations.

AB - The initial growth mechanism of epitaxial BaTiO3 films is studied by combined application of atomic force microscopy, cross sectional high-resolution transmission electron microscopy, and x-ray diffraction. Epitaxial BaTiO3 thin films were grown by pulsed laser deposition on vicinal Nb-doped SrTiO3 (SrTiO3:Nb) (001) substrates with well-defined terraces. X-ray diffraction and cross sectional high-resolution transmission electron microscopy investigations revealed well-defined epitaxial films and a sharp interface between BaTiO3 films and SrTiO 3:Nb substrates. The layer-then-island (Stranski-Krastanov mode) growth mechanism observed by analyzing the morphology of a sequence of films with increasing amount of deposited material has been confirmed by microstructure investigations.

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Initial growth stages of epitaxial BaTiO₃ films on vicinal SrTiO₃ (001) substrate surfaces

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