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Hydrothermal synthesis and characterization of Bi2Pb2O7 with pyrochlore structure

  • Yachun Mao
  • , Guangshe Li
  • , Yinyong Sun
  • , Shouhua Feng*
  • *Corresponding author for this work
  • Jilin University

Research output: Contribution to journalArticlepeer-review

Abstract

Pyrochlore Bi2Pb2O7 was fabricatedi under low-temperature hydrothermal conditions and characterized by XRD, IR, SEM DTA-TG, and XPS. XRD analysis shows that the structure of Bi2Pb2O7 is cubic, which is similar to that obtained from high-pressure reactions. XPS measurements suggest that the valences of Bi and Pb ions are +3 and +4, respectively. The cubic Bi2Pb2O7 is a metastable phase; it decomposes into a new phase with liberation of O2 at 450°C. (C) 2000 Academic Press.

Original languageEnglish
Pages (from-to)314-319
Number of pages6
JournalJournal of Solid State Chemistry
Volume149
Issue number2
DOIs
StatePublished - 2000
Externally publishedYes

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