Occupancies of Y in garnet-type Ca0.8Y3.4Zr0.8Ga3.0O12 crystal

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Single crystals of a garnet-type oxide Ca0.8Y3.4Zr0.8Ga3.0O12 [cubic, a = 12.6404(2)? Ia-3d] were synthesized by heating a compact mixture of CaCO3, Y2O3, ZrO4, and Ga2O3 powders at 1600°C for 1 h in air. Crystal structure analysis by the conventional X-ray diffraction (XRD) method could not distinguish atoms of adjacent Y and Zr elements. The Y occupation at the 24c and 16a sites of Wyckoff positions in the crystal structure was revealed by ?synthesis with anomalous X-ray scattering. The formula was determined to be (Y0.6296(3)Ca0.2440(2)Zr0.1261(2))3(Y0.7556(5)Ca0.0340(2)Zr0.2109(2))2(GaO4)3. ?022 The Ceramic Society of Japan.

Original languageEnglish
Pages (from-to)359-362
Number of pages4
JournalJournal of the Ceramic Society of Japan
Issue number5
Publication statusPublished - 2022 May 1


  • Anomalous X-ray scattering
  • AXS .-synthesis
  • Ca-Y-Zr-Ga-O system
  • Garnet-type oxide

ASJC Scopus subject areas

  • Ceramics and Composites
  • Chemistry(all)
  • Condensed Matter Physics
  • Materials Chemistry


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