Controllable synthesis and magnetic investigation of ZnO: Co nanowires and nanotubes

被引：13
|
作者：
Li, Jianjun [1 ,2 ]
Zhang, Liting [1 ]
Zhu, Jinbo [1 ]
Liu, Yin [1 ]
Hao, Weichang [2 ]
Li, Benxia [1 ]
机构：
[1] Anhui Univ Sci & Technol, Dept Mat Sci & Engn, Huainan 232001, Peoples R China
[2] Beihang Univ, Ctr Mat Phys & Chem, Beijing 100083, Peoples R China
来源：
MATERIALS LETTERS | 2012年 / 87卷
基金：
中国国家自然科学基金;
关键词：
Nanocomposites; Sol-gel preparation; Zn1-xCoxO; Electrophoretic deposition; Room-temperature ferromagnetism; FERROMAGNETISM;
D O I：
10.1016/j.matlet.2012.07.099
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Zn1-xCoxO (x=0-0.12) nanowires have been synthesized by the electrophoretic deposition method using anodic aluminum oxide (AAO) as a template. Careful structural characterization indicates that the prepared nanowires are of poly-crystal wurtzite structure and composed with 10-20 nm nano-crystals. Magnetic investigation indicates the obtained nanowires are of room-temperature ferromagnetic. The magnetism increases with the increasing of Co-doping within the solubility limit 7%, but decreases sharply when x>7% for the presence of second-phase Co3O4. Tubular structural Zn1-xCoxO can also be fabricated by properly tuning the electrophoretic deposition potential and time. The mechanism of electrophoretic deposition is discussed in detail. (C) 2012 Elsevier B.V. All rights reserved.
引用
收藏
页码：101 / 104
页数：4
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