Abstract

SmBa2Cu3O7−z (SmBCO) films with different metal cation concentrations (MCCs) were prepared on (00l) LaAlO3 substrate by self-developed non-fluorine chemical solution deposition (CSD) method. The influence of MCC on structure and performance of SmBCO films was investigated. The film with MCC of 1.0mol/L shows better c-axis texture and smoother as well as denser surface microstructure than other films. With increasing the MCC, the superconducting transition temperature (Tc) of the films has a peak value of 91.2K at MCC of 1.0mol/L. And the films with MCC of 0.8mol/L and 1.0mol/L show higher current carrying capabilities in the magnetic fields according to the Jc−H behaviors.

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