YBCO/YCBCO multi-layer healing technique for YBCO coated conductors

R. L. Meng; A. Baikalov; D. Pham; I. A. Rusakova; Y. Y. Sun; J. Cmaidalka; C. Wang; M. N. Iliev; C. W. Chu

doi:10.1109/TASC.2005.848964

YBCO/YCBCO multi-layer healing technique for YBCO coated conductors

R. L. Meng, A. Baikalov, D. Pham, I. A. Rusakova, Y. Y. Sun, J. Cmaidalka, C. Wang, M. N. Iliev, C. W. Chu

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摘要

The influence of (Y_0.8Ca_0.2)Ba₂Cu ₃O_y (YCBCO) over-layers on YBCO film properties has been studied on multi-layer YBCO/YCBCO films. The films were deposited on (001) MgO single-crystal substrates by pulsed-laser deposition. The results unambiguously demonstrate that a YCBCO over-layer can greatly improve the overall crystallinity of the YBCO films and thus their J_c. An optimal layer-number (n) of the multi-layer YBCO (n layers)/YCBCO (n-1 layers) has been identified to produce a maximum J_c enhancement. The observations suggest that the YBCO/YCBCO multi-layer healing technique (MLHT) mentioned above may be used for the fabrication of low cost, high performance YBCO coated conductors by relaxing the stringent and costly requirements for precise atomic alignment employed in previous fabrication methods.

原文	English
頁（從 - 到）	3086-3089
頁數	4
期刊	IEEE Transactions on Applied Superconductivity
卷	15
發行號	2 PART III
DOIs	https://doi.org/10.1109/TASC.2005.848964
出版狀態	Published - 2005 6月

All Science Journal Classification (ASJC) codes

電子、光磁材料
凝聚態物理學
電氣與電子工程

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10.1109/TASC.2005.848964

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title = "YBCO/YCBCO multi-layer healing technique for YBCO coated conductors",

abstract = "The influence of (Y0.8Ca0.2)Ba2Cu 3Oy (YCBCO) over-layers on YBCO film properties has been studied on multi-layer YBCO/YCBCO films. The films were deposited on (001) MgO single-crystal substrates by pulsed-laser deposition. The results unambiguously demonstrate that a YCBCO over-layer can greatly improve the overall crystallinity of the YBCO films and thus their Jc. An optimal layer-number (n) of the multi-layer YBCO (n layers)/YCBCO (n-1 layers) has been identified to produce a maximum Jc enhancement. The observations suggest that the YBCO/YCBCO multi-layer healing technique (MLHT) mentioned above may be used for the fabrication of low cost, high performance YBCO coated conductors by relaxing the stringent and costly requirements for precise atomic alignment employed in previous fabrication methods.",

author = "Meng, {R. L.} and A. Baikalov and D. Pham and Rusakova, {I. A.} and Sun, {Y. Y.} and J. Cmaidalka and C. Wang and Iliev, {M. N.} and Chu, {C. W.}",

note = "Funding Information: Manuscript received October 3, 2004. This work was supported in Houston in part by NSF Grant DMR-9804325, by the T. L. L. Temple Foundation, by the John J. and Rebecca Moores Endowment, by the State of Texas through the Texas Center for Superconductivity at the University of Houston, and by the Lawrence Berkeley Laboratory by the Director, Office of Science, Office of Basic Energy Sciences, Division of Materials Sciences and Engineering of the U.S. Department of Energy under Contract DE-AC03-76SF00098.",

year = "2005",

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doi = "10.1109/TASC.2005.848964",

language = "English",

volume = "15",

pages = "3086--3089",

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T1 - YBCO/YCBCO multi-layer healing technique for YBCO coated conductors

AU - Meng, R. L.

AU - Baikalov, A.

AU - Pham, D.

AU - Rusakova, I. A.

AU - Sun, Y. Y.

AU - Cmaidalka, J.

AU - Wang, C.

AU - Iliev, M. N.

AU - Chu, C. W.

N1 - Funding Information: Manuscript received October 3, 2004. This work was supported in Houston in part by NSF Grant DMR-9804325, by the T. L. L. Temple Foundation, by the John J. and Rebecca Moores Endowment, by the State of Texas through the Texas Center for Superconductivity at the University of Houston, and by the Lawrence Berkeley Laboratory by the Director, Office of Science, Office of Basic Energy Sciences, Division of Materials Sciences and Engineering of the U.S. Department of Energy under Contract DE-AC03-76SF00098.

PY - 2005/6

Y1 - 2005/6

N2 - The influence of (Y0.8Ca0.2)Ba2Cu 3Oy (YCBCO) over-layers on YBCO film properties has been studied on multi-layer YBCO/YCBCO films. The films were deposited on (001) MgO single-crystal substrates by pulsed-laser deposition. The results unambiguously demonstrate that a YCBCO over-layer can greatly improve the overall crystallinity of the YBCO films and thus their Jc. An optimal layer-number (n) of the multi-layer YBCO (n layers)/YCBCO (n-1 layers) has been identified to produce a maximum Jc enhancement. The observations suggest that the YBCO/YCBCO multi-layer healing technique (MLHT) mentioned above may be used for the fabrication of low cost, high performance YBCO coated conductors by relaxing the stringent and costly requirements for precise atomic alignment employed in previous fabrication methods.

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YBCO/YCBCO multi-layer healing technique for YBCO coated conductors

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