Solution synthesis of crystallized AMO4 (A=Ba, Sr, Ca; M=W, Mo) film at room temperature

R. Dinesh, T. Fujiwara, T. Watanabe, K. Byrappa, M. Yoshimura

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23 Citations (Scopus)


A well-crystallized AMO4 (A=Ba, Ca, Sr; M=W, Mo) films have been prepared at room temperature through a simple solution reaction in respective alkaline solution at higher pH ranging from 12-14. Adopting the corrosion principle for oxidation of metal substrate, these double oxide films were carried out in presence of chemical driving force without any special apparatus or devices. Hydrogen peroxide was used to enhance the dissolution rate of metal substrates. The driving force for the film formation and growth were high concentration of A2+, MO4 2- ions with high pH conditions. Average grain sizes of 8-10 μm with bipyramidal shaped particle were grown to the thickness of about 10-14 μm after 3-6 hours treatment. The crystallization of AMO4 was characterized by three-dimensional nucleation. This work demonstrates the possibility of fabrication of functional ceramic films directly from the aqueous solution in a single step by solution reactions.

Original languageEnglish
Pages (from-to)1541-1546
Number of pages6
JournalJournal of Materials Science
Issue number5
Publication statusPublished - 2006 Mar 1

All Science Journal Classification (ASJC) codes

  • Materials Science(all)
  • Mechanics of Materials
  • Mechanical Engineering

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