Quaternary compounds prepared in a CaO-Y2O3-SnO 2 system

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Abstract

Compounds in a CaO-Y2O3-SnO2 system were prepared by a solid-state reaction at 1673 K. The phase relation in this system was investigated by powder X-ray diffraction. Besides the previously reported ternary compounds, CaSnO3, Ca2SnO4, Y2Sn2O7, and a quaternary compound Ca0.4Y1.2Sn0.4O3, solid-solution series of Ca2-xY2xSn1-xO4 with 0≤x≤0.5, and Ca1-yY2ySn1-yO3 with 0≤y≤0.2 and 0.95≤y≤1.0 were found. The cell parameters of these solid-solution series were refined. The changes of rhombohedral cell parameters in the samples prepared in the range 0.565<y<0.714 of Ca1-y Y2ySn1-yO3 suggested the existence of solid solutions of Ca0.4Y1.2Sn0.4O3, although their single phases could not be prepared, except at y=0.6.

Original languageEnglish
Pages (from-to)1917-1920
Number of pages4
JournalJournal of the American Ceramic Society
Volume90
Issue number6
DOIs
Publication statusPublished - 2007 Jun 1

ASJC Scopus subject areas

  • Ceramics and Composites
  • Materials Chemistry

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