Low-temperature topotactic oxidation using the solid-state oxidant Zr-doped CeO2

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A new topotactic oxidation was developed using the solid-state oxidant Zr-doped CeO2. For the anti-ThCr2Si2type Y2O2Bi, which became superconductingviaoxygen intercalation during solid-state oxidation at 1000 °C, the topotactic oxidation enabled not only the oxygen intercalation at a much lower temperature of 200 °C, hampering the segregation of impurity phases, but also the highest superconducting transition temperature for Y2O2Bi.

Original languageEnglish
Pages (from-to)11326-11329
Number of pages4
JournalChemical Communications
Issue number86
Publication statusPublished - 2021 Nov 7

ASJC Scopus subject areas

  • Catalysis
  • Electronic, Optical and Magnetic Materials
  • Ceramics and Composites
  • Chemistry(all)
  • Surfaces, Coatings and Films
  • Metals and Alloys
  • Materials Chemistry


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