Synthesis of highly crystallized BaWO4 film by chemical reaction method at room temperature

Dinesh Rangappa, Takeshi Fujiwara, Masahiro Yoshimura

Research output: Contribution to journalArticlepeer-review

20 Citations (Scopus)

Abstract

A well-crystalline BaWO4 film has been prepared on a tungsten substrate in an alkaline solution containing barium ions through a simple chemical reaction method at room temperature via the reaction between Ba2+ and WO42 -. The acceleration of the oxidation/dissolution of the tungsten substrate to form WO42 - with an oxidizing agent, H2O2, seems to be the key to the success. Prismatic crystals of a typical grain size of about 8 μm were grown to the thickness of about 10-20 μm after the 2-3 hour treatment. The effect of solution pH, concentration of Ba2+ ions and H2O2 on the formation of BaWO4 crystals were studied in detail with reaction mechanism.

Original languageEnglish
Pages (from-to)1074-1078
Number of pages5
JournalSolid State Sciences
Volume8
Issue number9
DOIs
Publication statusPublished - 2006 Sep 1

All Science Journal Classification (ASJC) codes

  • Chemistry(all)
  • Materials Science(all)
  • Condensed Matter Physics

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