Abstract
Conductive SrRuO3 films were deposited on {001} Si substrates by pulsed-laser deposition using SrO as buffer layers. The microstructure and orientation relationships (ORs) of the constituting layers were investigated by X-ray diffraction, transmission electron microscopy, high-resolution electron microscopy and energy dispersive X-ray spectroscopy. Good epitaxial growth of SrO and SrRuO3 films on the Si substrates was achieved. Multiple domains were formed in the SrRuO3 films. The domain boundaries were nearly perpendicular to the interface between the SrRuO3 films and the SrO buffer layers. Three ORs among Si, SrO and SrRuO3 were observed, indicating a new OR between Si and SrO.
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