YBa2Cu3O7-δ thick films grown on textured metal substrates by liquid-phase epitaxy process

T. Maeda, Seok Beom Kim, T. Suga, H. Kurosaki, T. Yuasa, Yasuji Yamada, Yutaka Yamada, H. Yoshino, M. Yamazaki, T. D. Thanh, T. Watanabe, K. Matsumoto, I. Hirabayashi

Research output: Contribution to journalArticle

8 Citations (Scopus)

Abstract

Towards high-current wire application of high-temperature superconductors, YBa2Cu3O7-δ (YBCO) thick films are grown by means of a liquid-phase epitaxy (LPE) process on a (001) surface of NiO single crystal and laser-sputtered NiO buffer layer deposited on a (001) surface of SrTiO3 single crystal. NiO buffer layers can be rapidly formed on textured Ni tape by the recently developed "Surface-Oxidation-Epitaxy" (SOE) technique which is expected to be a low-cost production method of long metal substrates with highly-textured oxide buffer layer. LPE growth on SOE-buffered textured Ni tapes are also attempted. Moreover, we successfully prepared ∼0.1 m-long LPE-YBCO tapes on {120} Ag-0.1 wt.% Cu alloy tape by using a specially designed LPE furnace equipped with a "reel-to-reel" attachment. BaF2-added BaO-CuO flux is used in this work, in which the growth temperature of YBCO is drastically lowered from usually used value of ∼1000°C down to 900-930°C. While current transport performances of these LPE-YBCO films are still insufficient for high-current wire application, the present results show the high potential of this LPE process for long-length coated-conductor production.

Original languageEnglish
Pages (from-to)2931-2934
Number of pages4
JournalIEEE Transactions on Applied Superconductivity
Volume11
Issue number1 III
DOIs
Publication statusPublished - Mar 2001
Externally publishedYes

Fingerprint

Liquid phase epitaxy
liquid phase epitaxy
Thick films
thick films
Metals
Tapes
tapes
Substrates
Buffer layers
metals
buffers
Epitaxial growth
epitaxy
high current
Single crystals
wire
Wire
production engineering
Oxidation
oxidation

Keywords

  • Biaxial texture
  • Coated conductor
  • Liquid-phase epitaxy
  • Metal substrate
  • Reel-to-reel system

ASJC Scopus subject areas

  • Electrical and Electronic Engineering
  • Physics and Astronomy (miscellaneous)

Cite this

YBa2Cu3O7-δ thick films grown on textured metal substrates by liquid-phase epitaxy process. / Maeda, T.; Kim, Seok Beom; Suga, T.; Kurosaki, H.; Yuasa, T.; Yamada, Yasuji; Yamada, Yutaka; Yoshino, H.; Yamazaki, M.; Thanh, T. D.; Watanabe, T.; Matsumoto, K.; Hirabayashi, I.

In: IEEE Transactions on Applied Superconductivity, Vol. 11, No. 1 III, 03.2001, p. 2931-2934.

Research output: Contribution to journalArticle

Maeda, T, Kim, SB, Suga, T, Kurosaki, H, Yuasa, T, Yamada, Y, Yamada, Y, Yoshino, H, Yamazaki, M, Thanh, TD, Watanabe, T, Matsumoto, K & Hirabayashi, I 2001, 'YBa2Cu3O7-δ thick films grown on textured metal substrates by liquid-phase epitaxy process', IEEE Transactions on Applied Superconductivity, vol. 11, no. 1 III, pp. 2931-2934. https://doi.org/10.1109/77.919676
Maeda, T. ; Kim, Seok Beom ; Suga, T. ; Kurosaki, H. ; Yuasa, T. ; Yamada, Yasuji ; Yamada, Yutaka ; Yoshino, H. ; Yamazaki, M. ; Thanh, T. D. ; Watanabe, T. ; Matsumoto, K. ; Hirabayashi, I. / YBa2Cu3O7-δ thick films grown on textured metal substrates by liquid-phase epitaxy process. In: IEEE Transactions on Applied Superconductivity. 2001 ; Vol. 11, No. 1 III. pp. 2931-2934.
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