Preparation of Fe Substituted ZnO Nanoparticles and Investigation of Their Magnetic Behaviors

被引：0
作者：
Hasanpour, Ahmad [1 ]
机构：
[1] Islamic Azad Univ, Phys Dept, Ahvaz Branch, Fac Sci, Ahvaz, Iran
来源：
IRANIAN JOURNAL OF CHEMISTRY & CHEMICAL ENGINEERING-INTERNATIONAL ENGLISH EDITION | 2018年 / 37卷 / 03期
关键词：
Diluted magnetic semiconductor; Zinc oxide; Sol-gel auto-combustion method; FERROMAGNETISM; SEMICONDUCTORS;
D O I：
暂无
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
Nano-powders of diluted magnetic semiconductor Zn1-xFexO (0.0 <= x <= 0.1) were prepared via the sol-gel auto-combustion method. Crystal structure and phase identification carried out by X-Ray Diffraction (XRD) analysis. Mean crystallite size of the powders was estimated by Scherrer's formula. As M-H loops of the Fe substituted ZnO showed ferromagnetic behavior. The results of X-Ray Photoelectron Spectroscopy (XPS) showed that there is a mixture of Fe3+ and Fe2+ ions in all Fe substituted samples. Antiferromagnetic interaction between neighboring Fe3+-Fe2+ ions suppressed the ferromagnetic behavior of the samples at higher doping concentrations of Fe.
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页码：91 / 95
页数：5
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