Synthesis and structure of triple thorium phosphates with monazite structure

Alexander Knyazev, Ivan Savushkin, Ulmas Mirsaidov, Alexey Lukoyanov, Artem Oganov

Research output: Contribution to journalArticlepeer-review

Abstract

Three monazites MIILaTh(PO4)3 (MII = Ca, Sr, Cd) have been studied both computationally and experimentally to determine the influence of the MII cation nature on monazite crystal structure and characteristics important for their use as matrix forms for immobilizing radioactive waste. Their crystal structures have been refined by the Rietveld method. Functional composition has been confirmed by IR spectroscopy. Thermal stability has been tested by DTA-TG.

Original languageEnglish
Pages (from-to)1105-1112
Number of pages8
JournalJournal of Radioanalytical and Nuclear Chemistry
Volume327
Issue number3
DOIs
Publication statusPublished - Mar 2021

Keywords

  • Crystal structure
  • IR spectroscopy
  • Monazite
  • Rietveld method
  • Thorium phosphate, MLaTh(PO)

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