Low temperature synthesis of tetragonal BaTiO3 by using molten salt

Nobuhiro Kumada; Hideyuki Ogiso; Satoshi Wada; Yoshinori Yonesaki; Takahiro Takei; Nobukazu Kinomura; Takashi Iijima; Takayuki Watanabe

doi:10.2109/jcersj2.118.738

Low temperature synthesis of tetragonal BaTiO₃ by using molten salt

Nobuhiro Kumada, Hideyuki Ogiso, Satoshi Wada, Yoshinori Yonesaki, Takahiro Takei, Nobukazu Kinomura, Takashi Iijima, Takayuki Watanabe

Research output: Contribution to journal › Article

3 Citations (Scopus)

Abstract

Tetragonal BaTiO₃ was prepared by reaction of a layered K ₂Ti₂O₅ and mixed barium salts (BaCl₂ + Ba(NO₃)₂) at above 700°C. The morphology of the particle was cubic shape and the particle size of the products prepared at 700-1000°C was ∼10 μm, and that of the products prepared at higher temperatures (1100-1200°C) was smaller than that of the products prepared at 700-1000°C. From the chemical analysis no potassium atom was detected and the Ba/Ti ratio in the tetragonal BaTiO₃ was 1.00. In the cubic particle of the tetragonal BaTiO₃ surface 90° domain boundaries were observed. Lattice parameters and Curie temperature of the tetragonal BaTiO₃ were a = 3.995(1) and c = 4.036(1) Å and 130°C, respectively.

Original language	English
Pages (from-to)	738-740
Number of pages	3
Journal	Journal of the Ceramic Society of Japan
Volume	118
Issue number	1380
DOIs	https://doi.org/10.2109/jcersj2.118.738
Publication status	Published - Jan 1 2010
Externally published	Yes

All Science Journal Classification (ASJC) codes

Ceramics and Composites
Chemistry(all)
Condensed Matter Physics
Materials Chemistry

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Kumada, N., Ogiso, H., Wada, S., Yonesaki, Y., Takei, T., Kinomura, N., Iijima, T., & Watanabe, T. (2010). Low temperature synthesis of tetragonal BaTiO₃ by using molten salt. Journal of the Ceramic Society of Japan, 118(1380), 738-740. https://doi.org/10.2109/jcersj2.118.738

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title = "Low temperature synthesis of tetragonal BaTiO3 by using molten salt",

abstract = "Tetragonal BaTiO3 was prepared by reaction of a layered K 2Ti2O5 and mixed barium salts (BaCl2 + Ba(NO3)2) at above 700°C. The morphology of the particle was cubic shape and the particle size of the products prepared at 700-1000°C was ∼10 μm, and that of the products prepared at higher temperatures (1100-1200°C) was smaller than that of the products prepared at 700-1000°C. From the chemical analysis no potassium atom was detected and the Ba/Ti ratio in the tetragonal BaTiO3 was 1.00. In the cubic particle of the tetragonal BaTiO3 surface 90° domain boundaries were observed. Lattice parameters and Curie temperature of the tetragonal BaTiO3 were a = 3.995(1) and c = 4.036(1) {\AA} and 130°C, respectively.",

author = "Nobuhiro Kumada and Hideyuki Ogiso and Satoshi Wada and Yoshinori Yonesaki and Takahiro Takei and Nobukazu Kinomura and Takashi Iijima and Takayuki Watanabe",

year = "2010",

month = jan,

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doi = "10.2109/jcersj2.118.738",

language = "English",

volume = "118",

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journal = "Nippon Seramikkusu Kyokai Gakujutsu Ronbunshi/Journal of the Ceramic Society of Japan",

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T1 - Low temperature synthesis of tetragonal BaTiO3 by using molten salt

AU - Kumada, Nobuhiro

AU - Ogiso, Hideyuki

AU - Wada, Satoshi

AU - Yonesaki, Yoshinori

AU - Takei, Takahiro

AU - Kinomura, Nobukazu

AU - Iijima, Takashi

AU - Watanabe, Takayuki

PY - 2010/1/1

Y1 - 2010/1/1

N2 - Tetragonal BaTiO3 was prepared by reaction of a layered K 2Ti2O5 and mixed barium salts (BaCl2 + Ba(NO3)2) at above 700°C. The morphology of the particle was cubic shape and the particle size of the products prepared at 700-1000°C was ∼10 μm, and that of the products prepared at higher temperatures (1100-1200°C) was smaller than that of the products prepared at 700-1000°C. From the chemical analysis no potassium atom was detected and the Ba/Ti ratio in the tetragonal BaTiO3 was 1.00. In the cubic particle of the tetragonal BaTiO3 surface 90° domain boundaries were observed. Lattice parameters and Curie temperature of the tetragonal BaTiO3 were a = 3.995(1) and c = 4.036(1) Å and 130°C, respectively.

AB - Tetragonal BaTiO3 was prepared by reaction of a layered K 2Ti2O5 and mixed barium salts (BaCl2 + Ba(NO3)2) at above 700°C. The morphology of the particle was cubic shape and the particle size of the products prepared at 700-1000°C was ∼10 μm, and that of the products prepared at higher temperatures (1100-1200°C) was smaller than that of the products prepared at 700-1000°C. From the chemical analysis no potassium atom was detected and the Ba/Ti ratio in the tetragonal BaTiO3 was 1.00. In the cubic particle of the tetragonal BaTiO3 surface 90° domain boundaries were observed. Lattice parameters and Curie temperature of the tetragonal BaTiO3 were a = 3.995(1) and c = 4.036(1) Å and 130°C, respectively.

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