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

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Abstract

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
Volume57
Issue number86
DOIs
Publication statusPublished - 2021 Nov 7

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