Synthesis and piezoelectric properties of Li-doped BaTiO3 by a solvothermal approach

Takeshi Kimura; Qiang Dong; Shu Yin; Takatoshi Hashimoto; Atsushi Sasaki; Tsugio Sato

doi:10.1016/j.jeurceramsoc.2012.11.007

Synthesis and piezoelectric properties of Li-doped BaTiO₃ by a solvothermal approach

Takeshi Kimura, Qiang Dong, Shu Yin, Takatoshi Hashimoto, Atsushi Sasaki, Tsugio Sato

Research output: Contribution to journal › Article › peer-review

42 Citations (Scopus)

Abstract

Li-doped BaTiO₃ particles with the Li⁺ mole fraction, x, of 0-0.06 were synthesized by a solvothermal approach at 200°C. The products consisted of nanoparticles of 50-100nm in diameter. The sinterability and piezoelectric property of Li-doped BaTiO₃ were improved by doping with Li ion, i.e., the Li-doped BaTiO₃ samples could be sintered to almost full theoretical density (>95%) at a low temperature such as 1100°C, and the highest piezoelectric constant, d₃₃ (260pC/N) and electromechanical coupling factor, k_p (43.7%) could be realized at x value of 0.03. The Curie temperatures of all samples were around 130°C, and did not change very much depending on the amount of Li-doping.

Original language	English
Pages (from-to)	1009-1015
Number of pages	7
Journal	Journal of the European Ceramic Society
Volume	33
Issue number	5
DOIs	https://doi.org/10.1016/j.jeurceramsoc.2012.11.007
Publication status	Published - 2013 May

Keywords

Ferroelectric properties
Perovskite
Piezoelectricity
Sintering
Solvothermal approach

ASJC Scopus subject areas

Ceramics and Composites
Materials Chemistry

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title = "Synthesis and piezoelectric properties of Li-doped BaTiO3 by a solvothermal approach",

abstract = "Li-doped BaTiO3 particles with the Li+ mole fraction, x, of 0-0.06 were synthesized by a solvothermal approach at 200°C. The products consisted of nanoparticles of 50-100nm in diameter. The sinterability and piezoelectric property of Li-doped BaTiO3 were improved by doping with Li ion, i.e., the Li-doped BaTiO3 samples could be sintered to almost full theoretical density (>95%) at a low temperature such as 1100°C, and the highest piezoelectric constant, d33 (260pC/N) and electromechanical coupling factor, kp (43.7%) could be realized at x value of 0.03. The Curie temperatures of all samples were around 130°C, and did not change very much depending on the amount of Li-doping.",

keywords = "Ferroelectric properties, Perovskite, Piezoelectricity, Sintering, Solvothermal approach",

author = "Takeshi Kimura and Qiang Dong and Shu Yin and Takatoshi Hashimoto and Atsushi Sasaki and Tsugio Sato",

note = "Funding Information: This research was supported in part by the Management Expenses Grants for National Universities Corporations from the Ministry of Education, Culture, Sports and Science for Technology of Japan (MEXT) .",

year = "2013",

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doi = "10.1016/j.jeurceramsoc.2012.11.007",

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AU - Kimura, Takeshi

AU - Dong, Qiang

AU - Yin, Shu

AU - Hashimoto, Takatoshi

AU - Sasaki, Atsushi

AU - Sato, Tsugio

N1 - Funding Information: This research was supported in part by the Management Expenses Grants for National Universities Corporations from the Ministry of Education, Culture, Sports and Science for Technology of Japan (MEXT) .

PY - 2013/5

Y1 - 2013/5

N2 - Li-doped BaTiO3 particles with the Li+ mole fraction, x, of 0-0.06 were synthesized by a solvothermal approach at 200°C. The products consisted of nanoparticles of 50-100nm in diameter. The sinterability and piezoelectric property of Li-doped BaTiO3 were improved by doping with Li ion, i.e., the Li-doped BaTiO3 samples could be sintered to almost full theoretical density (>95%) at a low temperature such as 1100°C, and the highest piezoelectric constant, d33 (260pC/N) and electromechanical coupling factor, kp (43.7%) could be realized at x value of 0.03. The Curie temperatures of all samples were around 130°C, and did not change very much depending on the amount of Li-doping.

AB - Li-doped BaTiO3 particles with the Li+ mole fraction, x, of 0-0.06 were synthesized by a solvothermal approach at 200°C. The products consisted of nanoparticles of 50-100nm in diameter. The sinterability and piezoelectric property of Li-doped BaTiO3 were improved by doping with Li ion, i.e., the Li-doped BaTiO3 samples could be sintered to almost full theoretical density (>95%) at a low temperature such as 1100°C, and the highest piezoelectric constant, d33 (260pC/N) and electromechanical coupling factor, kp (43.7%) could be realized at x value of 0.03. The Curie temperatures of all samples were around 130°C, and did not change very much depending on the amount of Li-doping.

KW - Ferroelectric properties

KW - Perovskite

KW - Piezoelectricity

KW - Sintering

KW - Solvothermal approach

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