NDLI: High rate deposition by PLD of YBCO films for coated conductors

Content Provider	IEEE Xplore Digital Library
Author	Watanabe, T. Kuriki, R. Iwai, H. Muroga, T. Miyata, S. Ibi, A. Yamada, Y. Shiohara, Y.
Copyright Year	2002
Abstract	In order to scale-up high-performance YBa/sub 2/Cu/sub 3/O/sub 7-/spl delta// (YBCO) coated conductors, we have been investigating pulsed laser deposition (PLD) of YBCO on the "self-epitaxial" PLD-CeO/sub 2/ layer on an ion-beam-assisted deposition (IBAD)-Gd/sub 2/Zr/sub 2/O/sub 7/ (GZO) buffered Hastelloy tape. Our continuous PLD system was designed so that the laser beam scans YBCO targets during deposition and raises plural and discrete plumes (multi-plume), and the substrate was turned three times (multi-turn) around the substrate heater to enlarge its deposition area. The multi-plume and multi-turn (MPT) PLD indicated a capability to unite high rate deposition and high J/sub c/ by enlarging the deposition area under the proper condition. A 21 m long YBCO coated conductor with high end-to-end I/sub c/ of 85.0 A and J/sub c/ of 1.13 MA/cm/sup 2/ was prepared by MPT-PLD. The uniformities of the grain alignment and transport property were also achieved. Furthermore, we succeeded in deposition of a 45.8 m long YBCO layer. The I/sub c/ was as high as 182 A, that the multiplication of I/sub c/ and length reached the highest value of 8.34 kA m.
Sponsorship	Council on Superconductivity Appl. Superconductivity Conference Inc MIT
Starting Page	2566
Ending Page	2569
Page Count	4
File Size	997129
File Format	PDF
ISSN	10518223
Volume Number	15
Issue Number	2
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2005-06-01
Publisher Place	U.S.A.
Access Restriction	One Nation One Subscription (ONOS)
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Conductive films Yttrium barium copper oxide Pulsed laser deposition Conductors Superconductivity Optical pulses Laboratories Optical design Laser beams Buffer layers Multi-plume multi-turn pulsed laser deposition (PLD)
Content Type	Text
Resource Type	Article
Subject	Condensed Matter Physics Electronic, Optical and Magnetic Materials Electrical and Electronic Engineering

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