Functionally graded SrTiO3-BaTiO3 thin films prepared by the hydrothermal-electrochemical method under flowing solution

Masahiro Yoshimura, Wojciech Suchanek, Tomoaki Watanabe, Bungo Sakurai, Masanori Abe

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36 Citations (Scopus)


BaTiO3, SrTiO3, and BaxSr1-xTiO3 thin films, as well as multilayers in the SrTiO3-BaTiO3 system, have been prepared on Ti substrates in newly constructed flow-system equipment by the hydrothermal-electrochemical method. The synthesis parameters (temperature of 120-200°C, flow rate of 1-50 cm3/min) allow fabrication of dense, single-phase films with different morphology by controlling nucleation and/or growth rates. The flow system enables also an easy fabrication of SrTiO3/BaTiO3 and BaTiO3/SrTiO3 multilayers with variable chemical composition and microstructure across the film thickness. The multilayers can be prepared in only one experiment by simply changing the kind of flowing solution and/or adjusting the processing conditions.

Original languageEnglish
Pages (from-to)875-879
Number of pages5
JournalJournal of Materials Research
Issue number4
Publication statusPublished - 1998 Apr

All Science Journal Classification (ASJC) codes

  • Materials Science(all)
  • Condensed Matter Physics
  • Mechanics of Materials
  • Mechanical Engineering

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