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[1]徐军,冷浩博,伍建华.二维片状二钛酸钡颗粒的熔盐法合成[J].武汉工程大学学报,2012,(7):37-40.[doi:103969/jissn16742869201207008]
　XU Jun,LENG Hao bo,WU Jian hua.Synthesis of 2D platelike barium dititanate particle by molten salt method[J].Journal of Wuhan Institute of Technology,2012,(7):37-40.[doi:103969/jissn16742869201207008]
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二维片状二钛酸钡颗粒的熔盐法合成
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《武汉工程大学学报》[ISSN:1674-2869/CN:42-1779/TQ]

卷:
期数:
2012年7期
页码:
37-40
栏目:
资源与土木工程
出版日期:
2012-07-30

文章信息/Info

Title:
Synthesis of 2D platelike barium dititanate particle
by molten salt method
文章编号:
16742869(2012)07003704
作者:
徐军; 冷浩博; 伍建华
武汉工程大学材料科学与工程学院，湖北 武汉 430074
Author(s):
XU Jun;  LENG Haobo;  WU Jianhua
School of Materials Science and Engineering, Wuhan Institute of Technology, Wuhan 430074,China
关键词:
模板; 熔盐法; 铁电材料; 二钛酸钡
Keywords:
template;  molten salt method;  ferroelectric;  barium dititanate
分类号:
TM22+1
DOI:
103969/jissn16742869201207008
文献标志码:
A
摘要:
以具有纤铁矿层状结构的钾锂钛氧化物为初始模板，通过原位拓扑反应制备出片状锐钛矿二氧化钛颗粒.以碳酸钡和片状二氧化钛为反应原料通过熔盐法制备了片状二钛酸钡颗粒.由于二氧化钛在氯化钠和氯化钾复合熔盐中的溶解速率大大低于碳酸钡，因而二氧化钛成为反应模板，反应产物二钛酸钡保留了二氧化钛的片状形貌.得到的片状二钛酸钡颗粒长20~50 μm，宽10~20 μm，厚约5 μm.
Abstract:
Platelike titanium dioxide (anatase) particles were prepared by in situ topotactic transformation reaction with potassium lithium titanium oxide as the template. Barium dititanate platelike particles were synthesized in a mixed sodium chloride and potassium chloride molten salt at 840 ℃ for 5 h with barium carbonate and the platelike titanium dioxide as precursors. As the dissolution rate of titanium dioxide is much lower than that of barium carbonate in the sodium chloride and potassium chloride molten salts, the platelike titanium dioxide particles react as templates. The obtained barium dititanate particles retain the plate-like morphology of the titanium dioxide precursors, and are 20-50 μm in length, 10-20 μm in width, and about 5 μm in thickness.

参考文献/References:

［1］Scott J F. Applications of modern ferroelectrics\[J\], Science. 2007, 315:954-959.
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［5］Qi Feng．Solvothermal soft chemical synthesis and characterization of platelike particles constructed from oriented BaTiO3 nanocrystals\[J\]． Journal of the Ceramic Society of Japan，2010,118(2): 141-146．
［6］Huang K C, Huang T C, Hsieh W F. Morphologycontrolled synthesis of barium titanate nanostructures\[J\]. Inorganic Chemistry, 2009, 48: 9180-9184.
［7］Tangiuank S，Tunkasiri T．Solgel synthesis and characterization of BaTi2O5 powders\[J\]．App1ied Physics A, 2005, 81:1105-1107．
［8］Beltrán H, Gómez B, Masó N, et al. Electrical properties of ferroelectric BaTi2O5 and dielectric Ba6Ti17O40 ceramics\[J\]. Journal of Applied Physics, 2005, 97:084104.
［9］Xu J, Akishige Y. KFdoped BaTi2O5 ferroelectric ceramics by solid state reaction of KF and solgelderived BaTi2O5 powders\[J\]. Applied Physics A, 2008, 90:153-157.
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备注/Memo

备注/Memo:
收稿日期：20120528基金项目：教育部留学回国人员科研启动基金;湖北省教育厅科学研究重点项目（D20101504）作者简介：徐军（1970-）,男，湖北武汉人，教授，博士.研究方向：电子功能材料.
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