A large piezoelectric voltage coefficient in aluminate-sodalite-type improper ferroelectric oxides

Hiroki Taniguchi; Taiga Hattori; Toshihiro Isobe; Akitoshi Nakano; Ichiro Terasaki; Manabu Hagiwara

doi:10.1039/d1tc03897d

A large piezoelectric voltage coefficient in aluminate-sodalite-type improper ferroelectric oxides

Hiroki Taniguchi, Taiga Hattori, Toshihiro Isobe, Akitoshi Nakano, Ichiro Terasaki, Manabu Hagiwara

応用化学科

研究成果: Article › 査読

1 被引用数 (Scopus)

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The dielectric and piezoelectric properties of aluminate-sodalite-type oxides, (Ca1-xSrx)8[AlO2]12{MoO4}2 ((CS)AM-x), have been investigated in the present study. The variation of dielectric anomalies clarifies the phase diagram of (CS)AM-x over a composition range of x = 0.00-0.20 to suggest that a unique phase boundary like the morphotropic phase boundary (MPB) exists between x = 0.05 and 0.10. The piezoelectric voltage coefficient g33 at room temperature has been found to culminate around the phase boundary with the value being greater than that for the conventional lead-free perovskite-type ferroelectric oxides. The present result sheds light on the development of eco-friendly piezoelectric-active materials with excellent functionalities.

本文言語	English
ページ（範囲）	15649-15653
ページ数	5
ジャーナル	Journal of Materials Chemistry C
巻	9
号	43
DOI	https://doi.org/10.1039/d1tc03897d
出版ステータス	Published - 2021 11月 21

ASJC Scopus subject areas

化学 (全般)
材料化学

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10.1039/d1tc03897d

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title = "A large piezoelectric voltage coefficient in aluminate-sodalite-type improper ferroelectric oxides",

abstract = "The dielectric and piezoelectric properties of aluminate-sodalite-type oxides, (Ca1-xSrx)8[AlO2]12{MoO4}2 ((CS)AM-x), have been investigated in the present study. The variation of dielectric anomalies clarifies the phase diagram of (CS)AM-x over a composition range of x = 0.00-0.20 to suggest that a unique phase boundary like the morphotropic phase boundary (MPB) exists between x = 0.05 and 0.10. The piezoelectric voltage coefficient g33 at room temperature has been found to culminate around the phase boundary with the value being greater than that for the conventional lead-free perovskite-type ferroelectric oxides. The present result sheds light on the development of eco-friendly piezoelectric-active materials with excellent functionalities.",

author = "Hiroki Taniguchi and Taiga Hattori and Toshihiro Isobe and Akitoshi Nakano and Ichiro Terasaki and Manabu Hagiwara",

note = "Funding Information: This work was partially supported by the MEXT Elements Strategy Initiative to Form Core Research Center (Grant Number JPMXP0112101001) and JSPS KAKENHI (Grant Numbers 20H05878 and 20H05879). Publisher Copyright: {\textcopyright} The Royal Society of Chemistry.",

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AU - Taniguchi, Hiroki

AU - Hattori, Taiga

AU - Isobe, Toshihiro

AU - Nakano, Akitoshi

AU - Terasaki, Ichiro

AU - Hagiwara, Manabu

N1 - Funding Information: This work was partially supported by the MEXT Elements Strategy Initiative to Form Core Research Center (Grant Number JPMXP0112101001) and JSPS KAKENHI (Grant Numbers 20H05878 and 20H05879). Publisher Copyright: © The Royal Society of Chemistry.

PY - 2021/11/21

Y1 - 2021/11/21

N2 - The dielectric and piezoelectric properties of aluminate-sodalite-type oxides, (Ca1-xSrx)8[AlO2]12{MoO4}2 ((CS)AM-x), have been investigated in the present study. The variation of dielectric anomalies clarifies the phase diagram of (CS)AM-x over a composition range of x = 0.00-0.20 to suggest that a unique phase boundary like the morphotropic phase boundary (MPB) exists between x = 0.05 and 0.10. The piezoelectric voltage coefficient g33 at room temperature has been found to culminate around the phase boundary with the value being greater than that for the conventional lead-free perovskite-type ferroelectric oxides. The present result sheds light on the development of eco-friendly piezoelectric-active materials with excellent functionalities.

AB - The dielectric and piezoelectric properties of aluminate-sodalite-type oxides, (Ca1-xSrx)8[AlO2]12{MoO4}2 ((CS)AM-x), have been investigated in the present study. The variation of dielectric anomalies clarifies the phase diagram of (CS)AM-x over a composition range of x = 0.00-0.20 to suggest that a unique phase boundary like the morphotropic phase boundary (MPB) exists between x = 0.05 and 0.10. The piezoelectric voltage coefficient g33 at room temperature has been found to culminate around the phase boundary with the value being greater than that for the conventional lead-free perovskite-type ferroelectric oxides. The present result sheds light on the development of eco-friendly piezoelectric-active materials with excellent functionalities.

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A large piezoelectric voltage coefficient in aluminate-sodalite-type improper ferroelectric oxides

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