Hydrothermal synthesis of single-crystal BaTiO3 dendrites

被引：36

作者：

Wang, Yonggang ^{[1
]}

Xu, Gang ^{[1
]}

Yang, Linlin ^{[2
]}

Ren, Zhaohui ^{[1
]}

Wei, Xiao ^{[1
]}

Weng, Wenjian ^{[1
]}

Du, Piyi ^{[1
]}

Shen, Ge ^{[1
]}

Han, Gaorong ^{[1
]}

机构：

[1] Zhejiang Univ, Dept Mat Sci & Engn, State Key Lab Silicon Mat, Hangzhou 310027, Peoples R China

[2] Shandong Res & Design Inst Ind Ceram, Zibo 255031, Peoples R China

来源：

MATERIALS LETTERS | 2009年 / 63卷 / 02期

基金：

美国国家科学基金会;

关键词：

BaTiO3; dendrites; Perovskites; X-ray techniques; Hydrothermal method; GROWTH; NANOSTRUCTURES;

D O I：

10.1016/j.matlet.2008.09.050

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

In this paper, we report a simple hydrothermal method without any surfactants, for the first time, to synthesize single-crystal BaTiO3 dendrites. The products were characterized by X-ray diffraction (XRD), scanning electron microscopy (SEM), transmission electron microscopy (TEM), electron diffraction (ED), and high-resolution transmission electron microscopy (HRTEM). The KOH concentration was found to be vital to the final formation of BaTiO3 dendrites. An obvious morphology evolution from sphere-like shape to dendrite was observed when KOH concentration was decreased from 1 M to 0.1 M. It is rational to expect that dendritic structures of other perovskite oxides may also be synthesized by this simple method. (c) 2008 Elsevier B.V. All rights reserved.

引用

页码：239 / 241

页数：3

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