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Morphology-controlled synthesis of SrTiO3 micro-scale particles |
Cao Jia-Feng (曹加锋), Ji Yue-Xia (冀月霞) |
School of Mathematics and Physics, Anhui University of Technology, Maanshan 243032, China |
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Abstract A novel and simple strategy of morphology-controlled SrTiO3 (ST) micro-scale particle synthesis by the flux method is reported. Systematic experiments are designed to realize the tunable morphologies of the particles when the flux salt, sintering process, and the precursors are changed. The ST plates can be synthesized by plate-like Bi4Ti3O12 (BIT) precursors in NaCl flux. However, the as-synthesized Bi4Ti3O12 grains transform into reticular particles and finally into rods at higher temperature in NaCl and KCl compounds. Besides, cubic ST particles are also prepared using different precursors as a comparative experiment. This study provides a strategy for further investigations in designing the morphology-controlled particles and efficient anisotropic materials of perovskite structure such as ferroelectric and photocatalyst.
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Received: 07 November 2013
Revised: 14 March 2014
Accepted manuscript online:
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PACS:
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81.10.-h
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(Methods of crystal growth; physics and chemistry of crystal growth, crystal morphology, and orientation)
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81.05.-t
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(Specific materials: fabrication, treatment, testing, and analysis)
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81.10.Fq
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(Growth from melts; zone melting and refining)
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Fund: Project supported by the National Natural Science Foundation of China (Grant No. 11404004). |
Corresponding Authors:
Cao Jia-Feng
E-mail: cjf786@163.com
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Cite this article:
Cao Jia-Feng (曹加锋), Ji Yue-Xia (冀月霞) Morphology-controlled synthesis of SrTiO3 micro-scale particles 2014 Chin. Phys. B 23 128104
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