Synthesis and characterization of single-crystal PbTiO3 nanorods

被引：30
|
作者：
Deng, Y
Wang, JL
Zhu, KR
Zhang, MS [1 ]
Hong, JM
Gu, QR
Yin, Z
机构：
[1] Nanjing Univ, Natl Lab Solid State Microstruct, Nanjing 210093, Peoples R China
[2] Nanjing Univ, Ctr Mat Anal, Nanjing 210093, Peoples R China
[3] Nanjing Univ, Dept Appl Chem, Chem & Chem Engn Sch, Nanjing 210093, Peoples R China
[4] Anhui Univ, Ctr Mat Anal, Hefei 230039, Peoples R China
来源：
MATERIALS LETTERS | 2005年 / 59卷 / 26期
基金：
中国国家自然科学基金;
关键词：
synthesis; nanorods; formation mechanism;
D O I：
10.1016/j.matlet.2005.05.056
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Single-crystal PbTiO3 (PT) nanorods have been synthesized by annealing PT nanocrystals in NaCl flux. The as-prepared PT nanorods are straight, with diameters of 50-80 nm and lengths of a few micrometers. The nanorods are in tetragonal crystal structure with lattice constants a=b = 3.926 angstrom and c = 3.963 angstrom. All the Raman modes of the PT nanorods have been indexed and the soften behavior of mode E(1TO) was observed, implying the weakening of ferroelectricity. The formation of the nanorods has also been discussed. (C) 2005 Elsevier B.V. All rights reserved.
引用
收藏
页码：3272 / 3275
页数：4
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