Thickness-dependent optical properties in compressively strained BiFeO3/LaAlO3 films grown by pulsed laser deposition
Materials Research Bulletin(2014)
摘要
•BFO with various thicknesses was grown on LAO substrates by pulsed laser deposition.•The structure and compressive strains were clarified via Raman scattering.•The charge transfer excitation was blue shifted with increasing compressive strain.•The compressive strain affects the distortion of Fe3+ local environment and O 2p states.
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关键词
A. Oxides,B. Laser deposition,D. Optical properties
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