Formation of microstructures and continuous heating and time-temperature transformation diagrams of YBa2Cu3O7-x film fabricated by metal organic deposition with trifluoroacetates

Nobuyuki Mori, Ryo Teranishi, Keisuke Tada, Jiro Yoshida, Kazuhiro Yamada, Masashi Mukaida

Research output: Contribution to journalArticle

3 Citations (Scopus)

Abstract

The metal organic deposition (MOD) using a precursor solution of trifluoroacetates (TFA) is known to be a promising low cost nonvacuum process for fabricating a high-Jc coated conductor of YBa2Cu 3O7-x (YBCO or Y123) film. However, the details of the growth process of Y123 crystals are still unknown. To clarify the growth mechanism of Y123 crystals in the film, the growth processes of Y123 crystals were studied experimentally through transmission electron microscopy (TEM) observations of the specimens quenched during the growth of Y123 crystals on LaAlO3 (LAO) substrates, and the continuous heating and time-temperature transformation (CHT/TTT) diagrams and the growth model of c/a-oriented Y123 crystals were obtained. Furthermore, the growth processes of faceted Y123 crystals with various crystal orientations were simulated by the two-dimensional numerical method using c- and a-axis growth rate functions. The formation processes of microstructures of Y123 crystals were visualized using the growth model and the simulation.

Original languageEnglish
Pages (from-to)7131-7135
Number of pages5
JournalJapanese journal of applied physics
Volume47
Issue number9 PART 1
DOIs
Publication statusPublished - Sep 12 2008

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diagrams
Heating
Crystals
microstructure
Microstructure
heating
Metals
metals
crystals
Temperature
temperature
Crystal orientation
Numerical methods
Transmission electron microscopy
conductors
transmission electron microscopy
Substrates
Costs
simulation

All Science Journal Classification (ASJC) codes

  • Engineering(all)
  • Physics and Astronomy(all)

Cite this

Formation of microstructures and continuous heating and time-temperature transformation diagrams of YBa2Cu3O7-x film fabricated by metal organic deposition with trifluoroacetates. / Mori, Nobuyuki; Teranishi, Ryo; Tada, Keisuke; Yoshida, Jiro; Yamada, Kazuhiro; Mukaida, Masashi.

In: Japanese journal of applied physics, Vol. 47, No. 9 PART 1, 12.09.2008, p. 7131-7135.

Research output: Contribution to journalArticle

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AU - Yamada, Kazuhiro

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