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논문 기본 정보

자료유형
학술대회자료
저자정보
Paranthama, M. Parans (Oak Ridge National Laboratory) Aytug, T. (Oak Ridge National Laboratory) Sathyamurthy, S. (Oak Ridge National Laboratory) Zhai, H.Y. (Oak Ridge National Laboratory) Christen, H.M. (Oak Ridge National Laboratory) Martin, P.M. (Oak Ridge National Laboratory) Goyal, A. (Oak Ridge National Laboratory) Christen, D.K. (Oak Ridge National Laboratory) Kroeger, D.M.
저널정보
한국초전도저온학회 한국초전도저온공학회 학술대회 한국초전도저온공학회 2002년도 학술대회 논문집
발행연도
2002.1
수록면
340 - 340 (1page)

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In an effort to develop alternative single buffer layer technology for YBa$_2$Cu$_3$O$_{7-{\delta}}$ (YBCO) coated conductors, we have investigated both LaMnO$_3$, (LMO) and La$_2$Zr$_2$O$_{7}$ (LZO) as potential buffer layers. High-quality LMO films were grown directly on textured Ni and Ni-W (3%) substrates using rf magnetron sputtering. Highly textured LZO buffers were grown on textured Ni substrates using sol-gel alkoxide processing route. YBCO films were then grown on both LMO and LZO buffers using pulsed laser deposition. Detailed X-ray studies have shown that YBCO films were grown on both LMO and LZO layers with a single epitaxial orientation. A high J$_{c}$ of over 1 MA/cm$^2$ at 77 K and self-field was obtained on YBCO films grown on both LMO-buffered Ni or Ni-W substrates, and also on LZO-buffered Ni substrates. We have identified LaMnO$_3$ as a good diffusion barrier layer for Ni and it also provides a good template for growing high current density YBCO films. Similarly we have also demonstrated the growth of high J$_{c}$ YBCO films on all solution buffers. We will discuss in detail about our buffer deposition processes. processes.s.s.s.s.

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