Preparation of Highly Oriented LaNiO3 Thin Films by Spin-Coating Technique

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Abstract

LaNiO3 thin films were deposited by spin-coating technique on various substrates using metal naphthenates as starting materials. Highly oriented LaNiO3 films with smooth and crack-free surfaces grown on SrTiO3 (100) and LaAlO3 (012) substrates were observed by XRD θ-2θ scans, while film on sapphire (0001) substrate showed polycrystalline structure. The resistivity vs. temperature curves of the textured LaNiO3 films showed that the film possessed good metallic character.

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