Rezumat articol ediţie STUDIA UNIVERSITATIS BABEŞ-BOLYAI

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YBa₂Cu₃O_7-x thin films were successfully deposited from a water-based propionate precursor solution. In order to determine the thermal decomposition behaviour of the deposited precursor solution during the pyrolysis, the precursor powder, as- obtained by drying the precursor solution, was submitted to thermal analysis (DTA – TG). The precursor films were deposited on (100) SrTiO3 single crystalline substrates by spin-coating and subjected to a single – step thermal treatment comprising both pyrolysis and crystallization. The as-obtained YBa2Cu3O7-x films were structurally and morphologically investigated by X-ray diffraction and atomic force microscopy, respectively. The electrical characterization of the films was made by the four point method.

Keywords: YBCO thin films, superconductivity, spin coating deposition, thermal analysis, film characterization