Low-temperature synthesis of cubic and rhombohedral Y6WO12 by a polymerized complex method

Masahiro Yoshimura, Junfeng Ma, Masato Kakihana

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38 Citations (Scopus)

Abstract

Cubic Y6WO12, which has a defect fluorite-type structure with disordered cation and anion sublattices, was synthesized for the first time at the low temperature of 600°C by a polymerized complex method. The crystallization process of Y6WO12 from an amorphous precursor has been investigated in detail using TG-DTA, XRD, and TEM. Above 400°C, the cubic phase began to crystallize upon decomposition of the organic materials in the precursor. The crystallite size of the cubic Y6WO12 increased from about 5 nm at 600°C up to about 35-40 nm at 1000°C. Above 1200°C, the cubic phase transformed to rhombohedral Y6WO12, which is a stable phase.

Original languageEnglish
Pages (from-to)2721-2724
Number of pages4
JournalJournal of the American Ceramic Society
Volume81
Issue number10
DOIs
Publication statusPublished - 1998 Oct

ASJC Scopus subject areas

  • Ceramics and Composites
  • Materials Chemistry

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