Characterization of Ni nanowires after annealing

被引：28
|
作者：
Han, Sheng
Chen, Hong-Ying
Chen, Chiu-Chieh
Yuan, Ta-Nien
Shih, Han C.
机构：
[1] Natl Tsing Hua Univ, Dept Mat Sci & Engn, Hsinchu 300, Taiwan
[2] Natl Taiwan Inst Technol, Dept Finance, Taichung, Taiwan
[3] Asia Univ, Dept Appl Life Sci, Wufeng Township 413, Taichung County, Taiwan
[4] Natl Chung Hsing Univ, Dept Mat Engn, Taichung 402, Taiwan
来源：
MATERIALS LETTERS | 2007年 / 61卷 / 4-5期
关键词：
nanowires; electrodeposition; size effects;
D O I：
10.1016/j.matlet.2006.06.057
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
The effect of Ni nanowires, fabricated by electrodeposition in self-ordered AAO templates, was studied. NiO and Ni2O3 nanofibers were fabricated by simple heat-treatment in air and in an atmosphere of pure O-2. Ni nanowires after vacuum annealing exhibit pronounced preferential orientation of Ni (111) at 600 degrees C. Grain growth resulted in size effects and induced the transformation of NiO to Ni2O3 during annealing in air. Ni was oxidized to Ni2O3 (similar to 500 degrees C) in an atmosphere of pure O-2. The stable Ni-oxides Ni2O3 are formed during annealing at a higher temperature (similar to 900 degrees C) in air and in an atmosphere of pure O-2. (c) 2006 Elsevier B.V. All rights reserved.
引用
收藏
页码：1105 / 1108
页数：4
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