Composite Structure and Size Effect of Barium Titanate Nanoparticles

Composite Structure and Size Effect of Barium Titanate Nanoparticles
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DOI：
10.1109/isaf.2007.4393303
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发表时间：
2007-05
期刊：
2007 Sixteenth IEEE International Symposium on the Applications of Ferroelectrics
影响因子：
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通讯作者：
T. Hoshina;S. Wada;Y. Kuroiwa;H. Kakemoto;T. Tsurumi
T. Hoshina;S. Wada;Y. Kuroiwa;H. Kakemoto;T. Tsurumi
中科院分区：
其他
文献类型：
--
作者：
T. Hoshina;S. Wada;Y. Kuroiwa;H. Kakemoto;T. Tsurumi

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采用两步热分解法制备了粒径在20 ~ 430 nm之间的几乎无杂质、无缺陷的钛酸钡（BaTiO 3）纳米粒子。使用同步辐射X射线衍射（XRD）分析这些颗粒的纳米结构。结果表明，BaTiO 3纳米粒子具有由（a）内部四方相层、（B）平行晶格应变层（GLSL）和（c）表面立方相层组成的复合结构。
Almost impurity and defect-free barium titanate (BaTiO3) nanoparticles with various sizes from 20 to 430 nm were prepared using 2-step thermal decomposition method. The nano-structures of these particles were analyzed using a synchrotron radiation X-ray diffraction (XRD). As a result, it was found that the BaTiO3 nanoparticles had composite structure consisted of (a) internal tetragonal layer, (b) Gradient-Lattice-Strain Layer (GLSL) and (c) surface cubic layer.