Pulsed laser deposition of epitaxial YBCO/oxide multilayers onto textured metallic substrates for coated conductor applications

R. I. Tomov; A. P. Bramley; A. Kursumovic; J. E. Evetts; B. A. Glowacki; A. Tuissi; E. Villa

doi:10.1117/12.425151

9 April 2001 Pulsed laser deposition of epitaxial YBCO/oxide multilayers onto textured metallic substrates for coated conductor applications

R. I. Tomov, A. P. Bramley, A. Kursumovic, J. E. Evetts, B. A. Glowacki, A. Tuissi, E. Villa

Author Affiliations +

Proceedings Volume 4397, 11th International School on Quantum Electronics: Laser Physics and Applications; (2001) https://doi.org/10.1117/12.425151
Event: 11th International School on Quantum Electronics: Laser Physics and Applications, 2000, Varna, Bulgaria

Abstract

The development of a viable HTS coated conductor technology requires the deposition of biaxially aligned Y₁Ba₂Cu₃CuO_7-y (YBCO) layers onto flexible metallic substrates. Using pulsed laser deposition (PLD) YBCO/CeO₂/YSZ heterostructures have been deposited onto biaxially textured Ni and Ni-alloy substrates. The influence of the critical processing parameters on the texture is investigated and some of the issues involved in the deposition of heterostructures are discussed. The texture in the layers has been characterized using X-ray Diffraction (XRD). The as deposited architecture shows YBCO layers with biaxial alignment with XRD (omega) and (phi) scans having best FWHM values of 3.5 degrees and 11 degrees respectively. The growth of the layers has also been studied using Atomic Force Microscopy. Tc at 90 K with sharp transition ((Delta) equals 2K) have been measured.

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R. I. Tomov, A. P. Bramley, A. Kursumovic, J. E. Evetts, B. A. Glowacki, A. Tuissi, and E. Villa "Pulsed laser deposition of epitaxial YBCO/oxide multilayers onto textured metallic substrates for coated conductor applications", Proc. SPIE 4397, 11th International School on Quantum Electronics: Laser Physics and Applications, (9 April 2001); https://doi.org/10.1117/12.425151

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