High oxide-ion conductivity through the interstitial oxygen site in Ba7Nb4MoO20-based hexagonal perovskite related oxides

Masatomo Yashima; Takafumi Tsujiguchi; Yuichi Sakuda; Yuta Yasui; Yu Zhou; Kotaro Fujii; Shuki Torii; Takashi Kamiyama; Stephen J. Skinner

doi:10.1038/s41467-020-20859-w

Nature Communications (Jan 2021)

High oxide-ion conductivity through the interstitial oxygen site in Ba7Nb4MoO20-based hexagonal perovskite related oxides

Masatomo Yashima,
Takafumi Tsujiguchi,
Yuichi Sakuda,
Yuta Yasui,
Yu Zhou,
Kotaro Fujii,
Shuki Torii,
Takashi Kamiyama,
Stephen J. Skinner

Affiliations

Masatomo Yashima: Department of Chemistry, School of Science, Tokyo Institute of Technology
Takafumi Tsujiguchi: Department of Chemistry, School of Science, Tokyo Institute of Technology
Yuichi Sakuda: Department of Chemistry, School of Science, Tokyo Institute of Technology
Yuta Yasui: Department of Chemistry, School of Science, Tokyo Institute of Technology
Yu Zhou: Department of Materials, Imperial College London
Kotaro Fujii: Department of Chemistry, School of Science, Tokyo Institute of Technology
Shuki Torii: Institute of Materials Structure Science, High Energy Accelerator Research Organization (KEK)
Takashi Kamiyama: Institute of Materials Structure Science, High Energy Accelerator Research Organization (KEK)
Stephen J. Skinner: Department of Materials, Imperial College London

DOI: https://doi.org/10.1038/s41467-020-20859-w
Journal volume & issue: Vol. 12, no. 1
pp. 1 – 7

Abstract

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Oxide-ion conductors are important in various applications for clean energy. Here, authors report high oxide-ion conductivity of hexagonal perovskite-related oxide Ba7Nb3.9Mo1.1O20.05, which is ascribed to the interstitialcy diffusion and low activation energy for oxide-ion conductivity.

Published in Nature Communications

ISSN: 2041-1723 (Online)
Publisher: Nature Portfolio
Country of publisher: United Kingdom
LCC subjects: Science
Website: https://www.nature.com/ncomms/

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