Investigation of superconducting and elastic parameters of YBCO/LSMO thick films

  • Bibekananda Sahoo
  • Dhrubananda BeheraEmail author


The variations of superconducting and mechanical properties of La0.67Sr0.33MnO3 (LSMO) [x = 0.0, 0.1, and 0.2] doped YBa2Cu3O7−δ (YBCO) composite thick films were examined. All the composite films were synthesized by diffusion reaction technique. The structural and morphological analysis were investigated through X-ray powder diffraction along with Rietveld refinement and Field emission scanning electron microscopy (FESEM) respectively. The transport measurement suggested that the inclusion of ferromagnetic LSMO decreases the superconducting transition temperature (\( T_{C}^{on} \)) and enhances the residual resistivity (ρ0). The broadening of resistive transition occurs below the onset transition temperature and shows the dissipative flux pinning. Various superconducting parameters were obtained from the excess conductivity analysis of the composite films and were in good agreement with the experimental findings. The mechanical strength of all the composite films was explained through different models like Hays–Kendall model, Elastic/Plastic deformation model and Proportional specimen resistance model.



The author (B. Sahoo) is thankful to DST INSPIRE for providing the financial support to carry out this performance. The authors thank Dr. Anil K. Singh of National Institute of Technology, Rourkela for providing the oxygen annealing facility for the preparation of the sample. I would like to thank S. S Nayak and Manoj Kishor Pradhan for their support and fruitful discussion during the work.


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© Springer Science+Business Media, LLC, part of Springer Nature 2019

Authors and Affiliations

  1. 1.Department of Physics and AstronomyNational Institute of TechnologyRourkelaIndia

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