Self-assembled stoichiometric barium titanate thin films grown by molecular beam epitaxy
Journal of Crystal Growth（2018）
Abstract
•Excess barium self-limits the stoichiometry of barium titanate.•Barium titanate self-assembles when grown using co-deposition with excess barium.•Higher piezoelectric coefficients of barium after surface cleaning.
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Key words
A1 Piezoforce microscopy,A1 X-ray photoelectron spectroscopy,A3 Molecular beam epitaxy,B1 Perovskites,B2 Ferroelectrics
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