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Content Provider | IEEE Xplore Digital Library |
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Author | Sung-MIn Kim Sang Yeol Lee |
Copyright Year | 2002 |
Abstract | High quality Y1Ba2Cu3O7-x(Y-Ba-Cu-O) superconducting thin films have been grown on metallic Hastelloy(Ni-Cr-Mo alloys) substrates with Ce02, BaTi03, and Ce02/BaTiO3 buffer layers in-situ by pulsed laser deposition. Ce02 layer revealed that (200) XRD peak became dominant at a specific deposition temperature but the grain size of that film was observed to be small. BaTi03 has shown larger grain size than that of CeO2 by 200 times. Two buffer layers have been integrated to enhance the superconducting properties of Y-Ba-Cu-0 thin film on metallic substrate. This Y-Ba-Cu-O/Ce02/BaTiO3 on metallic substrate shows enhanced superconducting properties of the transition temperature of 85 K and the critical current density of about 8.4 × 104 A/cm2 measured at 77 K mainly due to the enlargement of the grain size of Y-Ba-Cu-0 film with double buffer layer. |
Sponsorship | Council on Superconductivity Appl. Superconductivity Conference Inc MIT |
Starting Page | 2719 |
Ending Page | 2722 |
Page Count | 4 |
File Size | 378390 |
File Format | |
ISSN | 10518223 |
Volume Number | 11 |
Issue Number | 1 |
Language | English |
Publisher | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
Publisher Date | 2001-03-01 |
Publisher Place | U.S.A. |
Access Restriction | One Nation One Subscription (ONOS) |
Rights Holder | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
Subject Keyword | Yttrium barium copper oxide Substrates Buffer layers Grain size Superconducting transition temperature Superconducting thin films Pulsed laser deposition Superconducting films Superconducting epitaxial layers Copper alloys |
Content Type | Text |
Resource Type | Article |
Subject | Condensed Matter Physics Electronic, Optical and Magnetic Materials Electrical and Electronic Engineering |
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