Journal article Electrical properties and <sup>18</sup>O tracer diffusion in (Bi<sub>0.5</sub>Na<sub>0.5</sub>)TiO<sub>3</sub> ceramics doped with CuO and Nb<sub>2</sub>O<sub>5</sub>
Kanaka Iwasaki (author) (Search by this author)
;
Yuka Takagi (author) (Search by this author)
;
Hyunwook Nam (author) (Search by this author)
;
Hajime Nagata (author) (Search by this author)
;
Isao Sakaguchi (author) (Search by this author)
ORCID https://orcid.org/0000-0003-4382-2509
National Institute for Materials Science
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Kanaka Iwasaki, Yuka Takagi, Hyunwook Nam, Hajime Nagata, Isao Sakaguchi. Electrical properties and <sup>18</sup>O tracer diffusion in (Bi<sub>0.5</sub>Na<sub>0.5</sub>)TiO<sub>3</sub> ceramics doped with CuO and Nb<sub>2</sub>O<sub>5</sub>. Journal of the Ceramic Society of Japan. 2025, 133 (7), 25012. https://doi.org/10.2109/jcersj2.25012

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(abstract)

(Bi0.5Na0.5)TiO3 セラミックスにCuOとNb2O5を添加して電気特性と酸素欠陥の関係について研究した。CuOを添加し場合、無添加よりも電気抵抗が高く、酸素拡散が増速され欠陥量が増加していた。Nb2O5を添加した場合、低抵抗になり、かつ酸素拡散が減速されていた。これらはCuOとNb2O5の (Bi0.5Na0.5)TiO3への固溶反応で説明できる

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Keyword: Lead-free piezoelectric ceramics, Bi0.5Na0.5TiO3, Nb2O5 donor additive, 18O tracer diffusion

Date published: 2025-07-01

Publisher: Ceramic Society of Japan

Journal:

  • Journal of the Ceramic Society of Japan (ISSN: 13486535) vol. 133 issue. 7 p. 321-328 25012

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Manuscript type: Publisher's version (Version of record)

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First published URL: https://doi.org/10.2109/jcersj2.25012

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Updated at: 2025-11-11 16:30:22 +0900

Published on MDR: 2025-11-11 16:24:10 +0900

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