Oriented aggregation of BaTiO3 nanocrystals and large particles in the ultrasonic-assistant synthesis

Feng Dang; Kazumi Kato; Hiroaki Imai; Satoshi Wada; Hajime Haneda; Makoto Kuwabara

doi:10.1039/C003587D

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Oriented aggregation of BaTiO₃nanocrystals and large particles in the ultrasonic-assistant synthesis†

Feng Dang,*^a Kazumi Kato,^a Hiroaki Imai,^b Satoshi Wada,^c Hajime Haneda^d and Makoto Kuwabara^e

Author affiliations

* Corresponding authors

^a National Institute of Advanced Industrial Science and Technology (AIST), 2266-98 Anagahora, Shimoshidami, Moriyama-ku, Nagoya 463-8560, Japan
E-mail: dang-f@aist.go.jp

^b Keio University, 3-14-1 Hiyoshi, Kohoku-ku, Yokohama 223-8522, Japan

^c Yamanashi University, 4-3-11, Takeda, Kofu 400-8511, Japan

^d National Institute for Materials and Science (NIMS), 1-1 Namiki, Tukuba 305-0044, Japan

^e Kyushu University, 6-1 Kasuga-kouen Kasuga, Fukuoka 816-8580, Japan

Abstract

BaTiO₃ particles were prepared under ultrasonic irradiation. Sphere-like and confetti-like BaTiO₃ particles composed of ca. 10 nm nanocrystals and hollow sphere particles composed of ca. 40 nm nanoparticles were obtained at different concentrations. The BaTiO₃ particles were identified as mesocrystals and the oriented aggregation, caused by ultrasonication, of 5–10 nm nanocrystals and ca. 40 nm nanoparticles, respectively, was identified.

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Supplementary files

Further SEM images, XRD data and TEM images for the BaTiO ₃ particles. PDF (405K)

Article information

DOI: https://doi.org/10.1039/C003587D
Article type: Communication
Submitted: 24 Feb 2010
Accepted: 09 Jun 2010
First published: 30 Jun 2010

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CrystEngComm, 2010,12, 3441-3444

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Oriented aggregation of BaTiO₃ nanocrystals and large particles in the ultrasonic-assistant synthesis

F. Dang, K. Kato, H. Imai, S. Wada, H. Haneda and M. Kuwabara, CrystEngComm, 2010, 12, 3441 DOI: 10.1039/C003587D

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