钛酸钡纳米颗粒的复合结构与尺寸效应

2007 Sixteenth IEEE International Symposium on the Applications of Ferroelectrics Pub Date : 2007-05-27 DOI:10.1109/ISAF.2007.4393303

T. Hoshina, S. Wada, Y. Kuroiwa, H. Kakemoto, T. Tsurumi

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引用次数: 164

摘要

采用两步热分解法制备了尺寸在20 ~ 430 nm之间的钛酸钡纳米颗粒(BaTiO3)。利用同步辐射x射线衍射(XRD)分析了这些粒子的纳米结构。结果表明，BaTiO3纳米颗粒具有由(a)内部四方层、(b)梯度晶格应变层(GLSL)和(c)表面立方层组成的复合结构。

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Composite Structure and Size Effect of Barium Titanate Nanoparticles

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.

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2007 Sixteenth IEEE International Symposium on the Applications of Ferroelectrics

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