High proton conductivity in Nb<sup>5+</sup>-doped BaScO<sub>2.5</sub>

We report high bulk proton conductivity ( e.g. , 0.01 S cm −1 at 320 °C) of pentavalent donor doped BaScO 2.5 , BaSc 0.75 Nb 0.25 O 2.75 , which is ascribed to high proton concentration and high proton diffusion coefficient due to the reduced proton trapping.

Authors

Takashi Honda (ORCID: https://orcid.org/0000-0001-8951-0952)
Kotaro Fujii (ORCID: https://orcid.org/0000-0003-3309-9118)
Masatomo Yashima (ORCID: https://orcid.org/0000-0001-5406-9183)
K. Saito (ORCID: https://orcid.org/0009-0007-0389-9196)
Kensei Umeda
Masamichi Baba

Institutions

High Energy Accelerator Research Organization (JP)
Japan Proton Accelerator Research Complex (JP)
Institute of Science Tokyo (JP)

Publication Details

Journal: Inorganic Chemistry Frontiers
Published: 2025-01-01
DOI: https://doi.org/10.1039/d5qi00632e
Citations: 5
Primary Topic: Electronic and Structural Properties of Oxides
Type: article
Field-Weighted Citation Impact: 2.59

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article

High proton conductivity in Nb⁵⁺-doped BaScO_2.5

Takashi Honda, Kotaro Fujii, Masatomo Yashima, K. Saito et al.

Jan 1, 2025

5 citations

Inorganic Chemistry Frontiers

Electronic and Structural Properties of Oxides

2.59

article

High proton conductivity in Nb⁵⁺-doped BaScO_2.5

Takashi Honda, Kotaro Fujii, Masatomo Yashima, K. Saito, Kensei Umeda, Masamichi Baba

January 1, 2025article en

5 citations

Abstract

We report high bulk proton conductivity ( e.g. , 0.01 S cm −1 at 320 °C) of pentavalent donor doped BaScO 2.5 , BaSc 0.75 Nb 0.25 O 2.75 , which is ascribed to high proton concentration and high proton diffusion coefficient due to the reduced proton trapping.

Inorganic Chemistry FrontiersVol. 12(20)

High Energy Accelerator Research Organization (JP), Japan Proton Accelerator Research Complex (JP), Institute of Science Tokyo (JP)

Openalex Percentile: Top 10%

Electronic and Structural Properties of Oxides

2.59

DOI Source OpenAlex

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