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RABiTS 위에 PLD 방법으로 증착된 YBCO 초전도 박막 선재의 제조
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  • RABiTS 위에 PLD 방법으로 증착된 YBCO 초전도 박막 선재의 제조
  • Manufacturing of YBCO coated conductor deposited on RABiTS by pulsed laser deposition method
저자명
고락길,정준기,하홍수,김호섭,송규정,박찬,문승현,유상임,김영철,Ko. Rock-Kil,Chung. Jun-Ki,Ha. Hong-Soo,Kim. Ho-Soup,Song. Kyu-Jeong,Park. Chan,Moon. Seung-H
간행물명
Progress in superconductivity
권/호정보
2004년|6권 1호|pp.74-78 (5 pages)
발행정보
한국초전도학회
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기타
이 논문은 한국과학기술정보연구원과 논문 연계를 통해 무료로 제공되는 원문입니다.
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기타언어초록

YBCO coated conductor is one of the most promising materials as a new generations wire especially for practical power applications. In this work, $YBa_2$$Cu_3$$O_{7}$ -$delta$/(YBCO) coated conductors (CC) were deposited by pulsed laser deposition (PLD) from buffer layers to superconducting layer on hi-axially textured metal tape. The oxide multilayer buffered substrate of architectures of $CeO_2$/$YSZ/Y_2$$O_3$ was fabricated by PLD at steady status. Then YBCO layer was deposited on RABiTS substrate by stationary and reel-to-reel (R2R) continuous process and we compared with deposition conditions of both processes. The degree of texture of each layer was investigated using X-ray diffraction including $ heta$-2$ heta$ scans, $omega$-scans and $Phi$-scans analysis. Their surface morphology was observed by scanning electron microscopy (SEM). The FWHM of the X-ray $Phi$-scans and $Phi$-scans indicated that YBCO and buffer layers closely replicate the in-plane and out-of-plane texture of metal tape. Critical current (Ic) at 77 K, self-field of 75.8 A/cm-width, critical temperature (Tc) of 85 K, and critical current density (Ic) of 3.7 MA/$ extrm{cm}^2$ were measured from coated conductor deposited by stationary process. And coated conductor deposited by R2R continuous process had Ic of 57.5 A/cm-width, Tc of 86.5 K and Jc of 2.0 MA/$ extrm{cm}^2$. The film also exhibits a homogeneous and dense surface morphology.