Synthesis of BaTiO3 Nanowires at Low Temperature

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• 作者：Changlong Jiang ; Katagiri Kiyofumi ; Yifeng Wang ; Kunihito Koumoto
• 刊名：Crystal Growth & Design
• 出版年：2007
• 出版时间：December 2007
• 年：2007
• 卷：7
• 期：12
• 页码：2713 - 2715
• 全文大小：697K
• 年卷期：v.7,no.12(December 2007)
• ISSN：1528-7505

文摘

In this paper, we report the facile synthesis of single-crystalline BaTiO₃ nanowires at low temperature (50 °C) in ethanol solution by using inorganic raw materials. The nanowires have a uniform diameter of 100 nm and a length up to 10 μm. X-ray diffraction patterns confirmed that it is the tetragonal phase of BaTiO₃, transmission electron microscopy studies proved that the nanowires grew perpendicular to the [110] axis. This process involves low-cost, all inorganic raw materials, unlike sol–gel or hydrothermal syntheses that employ organometallic precursors or tradition preparations that need high temperature. Some experimental factors such as reaction temperature and aged time were found to be vital to the final formation of the nanowires.