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Synthesis and phase relations in the system with garnet-type composition: [Ca1.5GdCe0.5]VIII[ZrFe]VI[Fe x Al3−x ]IVO12

  • S. C. Chae
  • Y. N. Jang
  • I. K. Bae
  • K. W. Ryu
  • T. S. Yudintseva
  • S. V. Yudintsev
Article

Abstract

This study was aimed at the synthesis, study of phase relations and characterization of the garnet ([Ca1.5GdCe0.5]VIII[ZrFe]VI[Fe x Al3−x ]IVO12, x = 0−2) intended as promising matrix for actinides (Pu) immobilization. The optimum temperatures of the fabrication of the garnets ceramics are 1400 °C at x = 2 and 1500 °C at x = 0−1. The garnets lattice parameters and the content of Ce, as an imitator of Pu, increased with the content of iron. It was suggested that the ability of the garnet for incorporation of Pu was closely related to the ionic radii of the elements occupied the four-and six-coordinated sites of the structure.

Keywords

Phase Relation Lanthanide Oxide Waste Form Actinide Waste Radioactive Waste Form 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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Copyright information

© Springer Science+Business Media, Inc. 2007

Authors and Affiliations

  • S. C. Chae
    • 1
  • Y. N. Jang
    • 1
  • I. K. Bae
    • 1
  • K. W. Ryu
    • 1
  • T. S. Yudintseva
    • 2
  • S. V. Yudintsev
    • 2
  1. 1.Korea Institute of Geoscience and Mineral ResourcesDaejeonKorea
  2. 2.Institute of Geology of Ore Deposits, Petrography, Mineralogy and GeochemistryMoscowRussia

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