Fabrication and characterization of (Nd,Eu,Gd)Ba2Cu3Oy films by metal-organic deposition using TFA-containing solutions without introduction of water vapor

K. Kawabata, T. Nakamura, R. Kita, O. Miura, A. Ichinose, K. Matsumoto, Y. Yoshida, Masashi Mukaida, S. Horii

Research output: Contribution to journalArticle

1 Citation (Scopus)

Abstract

(Nd,Eu,Gd)Ba2Cu3Oy (NEG) films were prepared on LaAlO3 single-crystal substrates by metal-organic deposition (MOD) using fluorine-free solutions of metal 2-ethylhexanates (2-EH) or metal naphthenates (MN) with a small amount of trifluoroacetic acids (TFA) added. The addition of TFA to fluorine-free solutions lowered the growth temperatures, promoted crystal growth, and improved the superconducting properties of NEG films. This was similar to the effects observed on the growth of superconducting films by TFA-MOD using metal-trifluoroacetates. We report the successful growth of NEG films with Tc of 92.6 K and Jc of 0.36 MA/cm2 without introduction of water vapor.

Original languageEnglish
Pages (from-to)1353-1356
Number of pages4
JournalPhysica C: Superconductivity and its applications
Volume469
Issue number15-20
DOIs
Publication statusPublished - Oct 15 2009

Fingerprint

Trifluoroacetic acid
Trifluoroacetic Acid
Steam
Water vapor
water vapor
Metals
Fabrication
acids
fabrication
metals
Fluorine
fluorine
Superconducting films
Growth temperature
superconducting films
Crystallization
Crystal growth
crystal growth
Single crystals
single crystals

All Science Journal Classification (ASJC) codes

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics
  • Energy Engineering and Power Technology
  • Electrical and Electronic Engineering

Cite this

Fabrication and characterization of (Nd,Eu,Gd)Ba2Cu3Oy films by metal-organic deposition using TFA-containing solutions without introduction of water vapor. / Kawabata, K.; Nakamura, T.; Kita, R.; Miura, O.; Ichinose, A.; Matsumoto, K.; Yoshida, Y.; Mukaida, Masashi; Horii, S.

In: Physica C: Superconductivity and its applications, Vol. 469, No. 15-20, 15.10.2009, p. 1353-1356.

Research output: Contribution to journalArticle

Kawabata, K. ; Nakamura, T. ; Kita, R. ; Miura, O. ; Ichinose, A. ; Matsumoto, K. ; Yoshida, Y. ; Mukaida, Masashi ; Horii, S. / Fabrication and characterization of (Nd,Eu,Gd)Ba2Cu3Oy films by metal-organic deposition using TFA-containing solutions without introduction of water vapor. In: Physica C: Superconductivity and its applications. 2009 ; Vol. 469, No. 15-20. pp. 1353-1356.
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AU - Kawabata, K.

AU - Nakamura, T.

AU - Kita, R.

AU - Miura, O.

AU - Ichinose, A.

AU - Matsumoto, K.

AU - Yoshida, Y.

AU - Mukaida, Masashi

AU - Horii, S.

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AB - (Nd,Eu,Gd)Ba2Cu3Oy (NEG) films were prepared on LaAlO3 single-crystal substrates by metal-organic deposition (MOD) using fluorine-free solutions of metal 2-ethylhexanates (2-EH) or metal naphthenates (MN) with a small amount of trifluoroacetic acids (TFA) added. The addition of TFA to fluorine-free solutions lowered the growth temperatures, promoted crystal growth, and improved the superconducting properties of NEG films. This was similar to the effects observed on the growth of superconducting films by TFA-MOD using metal-trifluoroacetates. We report the successful growth of NEG films with Tc of 92.6 K and Jc of 0.36 MA/cm2 without introduction of water vapor.

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