Sol-gel synthesis of Bi3.25La0.75Ti3O12 nanotubes

被引：4
作者：
Wang, Wen [1 ]
Ke, Hua [1 ]
Rao, Jiancun [1 ]
Feng, Jinbiao [1 ]
Feng, Ming [1 ]
Jia, Dechang [1 ]
Zhou, Yu [1 ]
机构：
[1] Harbin Inst Technol, Sch Mat Sci & Engn, Inst Adv Ceram, Harbin 150001, Heilongjiang, Peoples R China
来源：
JOURNAL OF ALLOYS AND COMPOUNDS | 2011年 / 509卷 / 14期
基金：
中国国家自然科学基金;
关键词：
Nanotubes; Bi3.25La0.75Ti3O12; Sol-gel; BI4TI3O12; THIN-FILMS; BARIUM-TITANATE; FERROELECTRIC PROPERTIES; MICRO-RAMAN; BATIO3;
D O I：
10.1016/j.jallcom.2011.01.115
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
Ferroelectric Bi3.25La0.75Ti3O12 (BLT) nanotubes were synthesized by sol-gel technique using nanochannel porous anodic aluminum oxide (AAO) templates, and were characterized by X-ray diffraction (XRD), field emission scanning electron microscopy (FE-SEM), transmission electron microscopy (TEM) and high resolution transmission electron microscopy (HRTEM). BLT nanotubes with diameter of around 240nm and the wall thickness of about 25nm exhibited a single orthorhombic perovskite structure and highly preferential crystal growth along the [117] orientation, which have smooth wall morphologies and well-defined diameters corresponding to the diameter of the applied template. The formation mechanism of BLT nanotubes was discussed. (C) 2011 Elsevier B.V. All rights reserved.
引用
收藏
页码：4722 / 4725
页数：4
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