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

Masanagi Abe; Hideyuki Kawasoko; Tomoteru Fukumura

doi:10.1039/d1cc03772b

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

Masanagi Abe, Hideyuki Kawasoko, Tomoteru Fukumura

Research output: Contribution to journal › Article › peer-review

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 language	English
Pages (from-to)	11326-11329
Number of pages	4
Journal	Chemical Communications
Volume	57
Issue number	86
DOIs	https://doi.org/10.1039/d1cc03772b
Publication status	Published - 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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10.1039/d1cc03772b

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title = "Low-temperature topotactic oxidation using the solid-state oxidant Zr-doped CeO2",

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.",

author = "Masanagi Abe and Hideyuki Kawasoko and Tomoteru Fukumura",

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AU - Abe, Masanagi

AU - Kawasoko, Hideyuki

AU - Fukumura, Tomoteru

N1 - Publisher Copyright: © The Royal Society of Chemistry 2021.

PY - 2021/11/7

Y1 - 2021/11/7

N2 - 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.

AB - 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.

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

Abstract

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