Synthesis and characterizations of Al-doped Zn0.95Ni0.05O nanocrystals

被引：11
|
作者：
Pei, Guangqing
Xia, Changtai [1 ]
Wang, Linjun
Li, Xing
Jiao, Xinbing
Xu, Jun
机构：
[1] Chinese Acad Sci, Shanghai Inst Opt & Fine Mech, Shanghai 201800, Peoples R China
[2] Chinese Acad Sci, Grad Sch, Beijing 100039, Peoples R China
[3] Shanghai Univ, Sch Mat Sci & Engn, Shanghai 200072, Peoples R China
来源：
SCRIPTA MATERIALIA | 2007年 / 56卷 / 11期
基金：
上海市自然科学基金;
关键词：
semiconductor compounds; ZnNiO; nanocrystalline materials; EXAFS; TEM;
D O I：
10.1016/j.scriptamat.2007.02.014
中图分类号：
TB3 [工程材料学];
学科分类号：
0805 ; 080502 ;
摘要：
Nanocrystalline Zn0.95-xNi0.05AlxO (x = 0.01, 0.02, 0.05 and 0.10) diluted magnetic semiconductors have been synthesized by an autocombustion method. X-ray absorption spectroscopy, high-resolution transmission electron microscopy, energy-dispersive spectrometry and Ni 2p core-level photoemission spectroscopy analyses revealed that some of the nickel ions were substituted for Zn2+ into the ZnO matrix while others gave birth to NiO nanoclusters embedded in the ZnO particles. The Zn0.95Ni0.05O sample showed no enhancement of room-temperature ferromagnetism after Al doping. (C) 2007 Acta Materialia Inc. Published by Elsevier Ltd. All rights reserved.
引用
收藏
页码：967 / 970
页数：4
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