Formation of CeO2 buffer layer using multi-plume PLD

Y. Sutoh, K. Nakaoka, M. Miura, J. Matsuda, T. Nakanishi, A. Nakai, M. Yoshizumi, T. Izumi, S. Miyata, Y. Iijima, Y. Yamada, Y. Shiohara, T. Saitoh

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Abstract

The CeO2 buffer layer was fabricated using the multi-plume pulsed laser deposition (PLD) method with different deposition rates controlled by the excimer laser energy and frequency on the Gd2Zr2O7 template tape formed by the ion-beam assisted deposition (IBAD) with 14° of Δφ (full width at half maximum (FWHM) value of X-ray diffraction φ-scan for Gd2Zr2O7 (2 2 2) pole). The laser conditions with high pulse energy and low frequency resulted in a highly textured in-plane grain alignment (Δφ). The surface roughness and Δφ values were improved by increasing the thickness of the CeO2 buffer layer. YBCO films with the thickness of 1 μm and 1.6 μm were further deposited by the advanced trifluoroacetates-metal organic deposition (TFA-MOD) on the CeO2 buffered substrates with the deposition rate of 0.15 and 0.5 μm/min. The Jc values of 2.5 MA/cm2 and 2 MA/cm2 were obtained, respectively. High Jc films could be deposited on the CeO2 buffer layer even at high deposition rate by the multi-plume deposition.

Original languageEnglish
Pages (from-to)1594-1596
Number of pages3
JournalPhysica C: Superconductivity and its applications
Volume468
Issue number15-20
DOIs
Publication statusPublished - Sep 15 2008
Externally publishedYes

All Science Journal Classification (ASJC) codes

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics
  • Energy Engineering and Power Technology
  • Electrical and Electronic Engineering

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    Sutoh, Y., Nakaoka, K., Miura, M., Matsuda, J., Nakanishi, T., Nakai, A., Yoshizumi, M., Izumi, T., Miyata, S., Iijima, Y., Yamada, Y., Shiohara, Y., & Saitoh, T. (2008). Formation of CeO2 buffer layer using multi-plume PLD. Physica C: Superconductivity and its applications, 468(15-20), 1594-1596. https://doi.org/10.1016/j.physc.2008.05.080