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| Home > Publications database > Temperature-dependent structure of epitaxial (Ba,Sr)TiO3 films grown on SrRuO3-covered SrTiO3 substrates |
| Journal Article | PreJuSER-57489 |
; ; ;
2006
IOP Publ.
Bristol
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Please use a persistent id in citations: doi:10.1088/0256-307X/23/5/056
Abstract: Growth dynamics of epitaxial (Ba,Sr)TiO3 thin films deposited at different temperatures on SrRuO3/SrTiO3 substrates by pulsed laser deposition is investigated by transmission electron microscopy. The films exhibit a layered structure comprising sublayers with distinctive features in regard to the remaining strain, density of mislit dislocations and/or lattice defects, and growth habit. We correlate these temperature-dependent features with the predominant mislit-strain relaxation mechanisms for each one of the detected growth regimes. The thickness dependence of the film structure is discussed within the framework of the predictions for a kinetically modilied Stranski-Krastanov growth mode.
Keyword(s): J
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