Antiferroelectric materials have recently received renewed attention due to the increased demand for energy-storage ceramics and power electronics applications. This study demonstrates antiferroelectricity in a titanite-type oxide, SrTiGeO5, through direct observation of a double D-E hysteresis loop by polarization measurements. Temperature dependence of dielectric permittivity shows a cusp around 550 K, indicating a relatively high antiferroelectric phase transition temperature for SrTiGeO5. It is suggested that an electric-field-induced rise of permittivity in SrTiGeO5 has the potential for application in protective circuits of power electronics devices. The present study paves the way for the development of innovative antiferroelectric applications.
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29 April 2024
Research Article|
April 29 2024
Antiferroelectricity of titanite-type oxide SrTiGeO5 and its potential for power electronics applications Available to Purchase
Toshiya Uohashi;
Toshiya Uohashi
(Conceptualization, Data curation, Formal analysis, Investigation, Methodology, Software, Validation, Visualization)
1
Department of Physics, Nagoya University
, Furocho, Chikusa-ku, Nagoya 464-8602, Japan
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Taro Kuwano
;
Taro Kuwano
(Conceptualization, Data curation, Formal analysis, Investigation, Methodology, Software, Validation, Visualization, Writing – original draft, Writing – review & editing)
1
Department of Physics, Nagoya University
, Furocho, Chikusa-ku, Nagoya 464-8602, Japan
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Manabu Hagiwara
;
Manabu Hagiwara
(Conceptualization, Methodology, Supervision)
2
Department of Applied Chemistry, Keio University
, 3-14-1 Hiyoshi, Kohoku-ku, Yokohama 223-8522, Japan
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Kenji Natori
;
Kenji Natori
(Conceptualization, Supervision, Writing – original draft)
3
Department of Electrical and Electronic Engineering, Chiba University
, 1-33 Yayoicho, Inage-ku, Chiba 263-8522, Japan
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Kazuhiko Deguchi
;
Kazuhiko Deguchi
(Resources, Supervision)
1
Department of Physics, Nagoya University
, Furocho, Chikusa-ku, Nagoya 464-8602, Japan
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Hiroki Taniguchi
Hiroki Taniguchi
a)
(Conceptualization, Funding acquisition, Methodology, Project administration, Resources, Writing – review & editing)
1
Department of Physics, Nagoya University
, Furocho, Chikusa-ku, Nagoya 464-8602, Japan
a)Author to whom correspondence should be addressed: [email protected]
Search for other works by this author on:
Toshiya Uohashi
1
Taro Kuwano
1
Manabu Hagiwara
2
Kenji Natori
3
Kazuhiko Deguchi
1
Hiroki Taniguchi
1,a)
1
Department of Physics, Nagoya University
, Furocho, Chikusa-ku, Nagoya 464-8602, Japan
2
Department of Applied Chemistry, Keio University
, 3-14-1 Hiyoshi, Kohoku-ku, Yokohama 223-8522, Japan
3
Department of Electrical and Electronic Engineering, Chiba University
, 1-33 Yayoicho, Inage-ku, Chiba 263-8522, Japan
a)Author to whom correspondence should be addressed: [email protected]
Appl. Phys. Lett. 124, 182901 (2024)
Article history
Received:
February 20 2024
Accepted:
April 17 2024
Citation
Toshiya Uohashi, Taro Kuwano, Manabu Hagiwara, Kenji Natori, Kazuhiko Deguchi, Hiroki Taniguchi; Antiferroelectricity of titanite-type oxide SrTiGeO5 and its potential for power electronics applications. Appl. Phys. Lett. 29 April 2024; 124 (18): 182901. https://doi.org/10.1063/5.0204239
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