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| Content Provider | IEEE Xplore Digital Library |
|---|---|
| Author | Akin, Y. Celik, E. Sigmund, W. Hascicek, Y.S. |
| Copyright Year | 2002 |
| Abstract | Cerium oxide (CeO/sub 2/) is one of the preferred buffer layer for fabrication of coated conductors, especially when e-beam evaporation technique is used for YBCO processing. Therefore, processing of CeO/sub 2/ buffer layers has been extensively studied by several vacuum deposition techniques. However, a nonvacuum process is desired for fabrication of coated conductors to make coated conductors widely available in the market. In order to develop a nonvacuum process for fabrication of coated conductors, we fabricated textured cerium oxide (CeO/sub 2/) buffer layers on biaxially textured-Ni [100] substrates by sol-gel process. The solution was prepared from metal-organic precursor, Cerium 2,4-pentanedionate, and was deposited on the Ni substrates using a reel-to-reel sol-gel dip coating system. The textured films were annealed at 1150 /spl deg/C for 10 min under 4% H/sub 2/-Ar gas flow. Extensive texture analysis has been done to characterize the texture of CeO/sub 2/ buffer layers. X-ray diffraction (XRD) of the buffer layer showed strong out-of-plane orientation on Ni tape. The CeO/sub 2/ [111] pole figure indicated a single cube-on-cube textured structure. The omega and phi scans revealed good out-of-plane and in-plane alignments. The full-width-at-half-maximum (FWHM) values of omega and phi scans of CeO/sub 2/ films were 6.47/spl deg/ and 7.26/spl deg/, respectively. ESEM micrographs of the CeO/sub 2/ films revealed pinhole free, crack-free and dense microstructures. |
| Sponsorship | Council on Superconductivity Appl. Superconductivity Conference Inc MIT |
| Starting Page | 2563 |
| Ending Page | 2566 |
| Page Count | 4 |
| File Size | 424689 |
| File Format | |
| ISSN | 10518223 |
| Volume Number | 13 |
| Issue Number | 2 |
| Language | English |
| Publisher | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Publisher Date | 2003-06-01 |
| Publisher Place | U.S.A. |
| Access Restriction | One Nation One Subscription (ONOS) |
| Rights Holder | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Subject Keyword | Buffer layers Conductors Cerium Fabrication Yttrium barium copper oxide Vacuum technology Dip coating Annealing Fluid flow X-ray diffraction |
| Content Type | Text |
| Resource Type | Article |
| Subject | Condensed Matter Physics Electronic, Optical and Magnetic Materials Electrical and Electronic Engineering |
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