Hydrothermal formation and growth of single- and double-layer BaTiO3 and SrTiO3 films on the flexible polymer film substrates from sol-gel amorphous titanium oxide films

Z. Wu, N. Kumagai, Masahiro Yoshimura

Research output: Contribution to journalArticle

30 Citations (Scopus)

Abstract

Polycrystalline single- and double-layer BaTiO3 (BT) and SrTiO3 (ST) films on flexible polymer films were synthesized by hydrothermal treatments of sol-gel amorphous titanium oxide films with M(OH)2 (M = Ba, Sr) aqueous solutions from 60 to 150 °C. The amorphous titanium oxide films were prepared by a dip-coating method from a sol-gel precursor. The structure of the films formed under a variety of conditions characterized by X-ray diffraction (XRD) revealed that the polycrystalline cubic MTiO3 (M = Ba, Sr) films were formed. The surface morphology of the films observed by scanning electron microscopy (SEM) indicated that the films were uniform. A model for the formation and growth of MTiO3 films from amorphous titanium oxide films under hydrothermal conditions was proposed.

Original languageEnglish
Pages (from-to)3356-3361
Number of pages6
JournalChemistry of Materials
Volume12
Issue number11
DOIs
Publication statusPublished - 2000 Dec 1

All Science Journal Classification (ASJC) codes

  • Chemistry(all)
  • Chemical Engineering(all)
  • Materials Chemistry

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