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Journal of Nanomaterials
Volume 2014, Article ID 718918, 6 pages
http://dx.doi.org/10.1155/2014/718918
Research Article

The Novel Formation of Barium Titanate Nanodendrites

1Department of Applied Physics, National University of Kaohsiung, Nanzih, Kaohsiung, Taiwan
2Department of Electronic Engineering, Fortune Institute of Technology, Kaohsiung, Taiwan
3Institute of Electro-Optical Science and Engineering, Institute of Microelectronics, National Cheng-Kung University, Tainan, Taiwan
4Department of Electro-Optical Science and Engineering, Kao Yuan University, Kaohsiung, Taiwan
5Department of Electrical Engineering, Institute of Microelectronics, National Cheng-Kung University, Tainan, Taiwan

Received 15 March 2014; Accepted 26 March 2014; Published 30 April 2014

Academic Editor: Fu-Ken Liu

Copyright © 2014 Chien-Jung Huang et al. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

Abstract

The barium titanate (BaTiO3) nanoparticles with novel dendrite-like structures have been successfully fabricated via a simple coprecipitation method, the so-called BaTiO3 nanodendrites (BTNDs). This method was remarkable, fast, simple, and scalable. The growth solution is prepared by barium chloride (BaCl2), titanium tetrachloride (TiCl4), and oxalic acid. The shape and size of BaTiO3 depend on the amount of added BaCl2 solvent. To investigate the influence of amount of BaCl2 on BTNDs, the amount of BaCl2 was varied in the range from 3 to 6 mL. The role of BaCl2 is found to have remarkable influence on the morphology, crystallite size, and formation of dendrite-like structures. The thickness and length of the central stem of BTND were ~300 nm and ~20 μm, respectively. The branchings were found to occur at irregular intervals along the main stem. Besides, the formation mechanism of BTND is proposed and discussed.