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Melt Processing of YBCO Thick Films Fabricated by Sol Gel Route Powder on YSZ

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Abstract

It is evident that the microstructure and superconducting properties of YBa2Cu3O7−σ (YBCO) thick films are highly dependent upon the route of the precursor. The precursor which was used in the preparation of YBCO thick films was produced using sol gel route technique. The screen printing technique was used in the fabrication of YBCO superconducting thick films on yttria stabilized zirconia (YSZ) substrates. The effect of slow cooling rate and slow cooling window on texturing, microstructure and superconducting properties of the melt processed films was carried out. Optimizing the melt processing program was effective in increasing the molten viscosity, keeping the liquid and hence relatively large grain size that has been obtained. Moreover, grain morphologies like which was found in YBCO bulk materials was observed.

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Author notes

  1. M. A. A. Moussa

    Present address: Physics Department, Faculty of Science, Taif University, Al-Hawiya, 888, Saudi Arabia

Authors and Affiliations

  1. Physics Department, Faculty of Science, Mansoura University, Mansoura, 35516, Egypt

    M. A. A. Moussa

  2. Mathematical and Physical Engineering, Faculty of Engineering, Mansoura University, Mansoura, Egypt

    S. M. El-Hefnawy, M. M. Abou-Alkheer & H. I. A. Al-Nattar

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  1. M. A. A. Moussa
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  2. S. M. El-Hefnawy
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  3. M. M. Abou-Alkheer
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  4. H. I. A. Al-Nattar
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Correspondence to M. A. A. Moussa.

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Moussa, M.A.A., El-Hefnawy, S.M., Abou-Alkheer, M.M. et al. Melt Processing of YBCO Thick Films Fabricated by Sol Gel Route Powder on YSZ. J Supercond Nov Magn 22, 479–485 (2009). https://doi.org/10.1007/s10948-009-0444-2

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  • DOI: https://doi.org/10.1007/s10948-009-0444-2

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