Chemistry of Materials

Benzoylpivaloylmethanide Precursors for the Chemical Beam Epitaxy of Oxide Thin Films. 1. Synthesis, Characterization, and Use of Yttrium Benzoylpivaloylmethanide

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The new complex yttrium benzoylpivaloylmethanide and its acetonitrile adduct have been characterized by IR, NMR, mass spectroscopy, X-ray structure analysis, and thermogravimetric/differential thermal analysis. In situ flux measurements and mass spectroscopic studies have been performed to test the suitability of this compound as a precursor for the deposition of complex oxide thin films under molecular beam conditions. Finally it has been used to deposit epitaxial Y2O3 (001) thin films on SrTiO3 (001) substrates.