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Bulk solution techniques to fabricate high Jc YBCO coated conductors by M.Parans Paranthaman; T Aytug; S Sathyamurthy; D.B Beach; A Goyal; D.F Lee; B.W Kang; L Heatherly; E.D Specht; K.J Leonard; D.K Christen; D.M Kroeger is a Physics and Astronomy article available to read on EtoBox.
What is Bulk solution techniques to fabricate high Jc YBCO coated conductors about?
Low-cost, non-vacuum bulk solution technique has been developed to deposit epitaxial Gd 2 O 3 and La 2 Zr 2 O 7 (LZO) buffer layers directly onto both textured Ni and mechanically strengthened biaxially textured Ni-W(3 at.%)-Fe(1.7 at.%) (hereafter referred to as Ni-W) substrates. A reel-to-reel continuous dip-coating unit was used to produce meter lengths of highly textured, crack-free Gd 2 O 3 and LZO buffers on Ni and Ni-W tapes. Auger electron spectroscopy analysis of the textured Ni-W substrates indicated the presence of sulfur segregation to the surface, which possibly facilitated the growth of solution seed layers directly on Ni-W substrates. On dip-coated seed layers, a reel-to-reel sputtering unit was used to deposit epitaxially 200 nm thick YSZ layers followed by 10 nm thick CeO 2 to complete the RABiTS architecture. Pulsed laser deposition was used to grow YBa 2 Cu 3 O 7Àd (YBCO) films on these tapes in short lengths. YBCO films with J c values of 1:2 Â 10 6 and 1:9 Â 10 6 A/cm 2 at 77 K were obtained on Gd 2 O 3 and LZO buffered Ni-W substrates, respectively. YBCO films grown by ex situ BaF 2 precursor process on 80 cm long, 1 cm wide CeO 2 /YSZ/Gd 2 O 3 /Ni tapes exhib
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- Author
- M.Parans Paranthaman; T Aytug; S Sathyamurthy; D.B Beach; A Goyal; D.F Lee; B.W Kang; L Heatherly; E.D Specht; K.J Leonard; D.K Christen; D.M Kroeger
- Publisher
- Elsevier Science; Elsevier ; Elsevier BV (ISSN 0921-4534)
- Published
- 2002
- Language
- EN
- Field
- Physics and Astronomy (Physical Sciences)