Ferromagnetism in Li co-doped ZnO:Cr

被引:40
作者
Lee, HJ [1 ]
Jeong, SY
Hwang, JY
Cho, CR
机构
[1] Pusan Natl Univ, Dept Phys, Pusan 609735, South Korea
[2] COMTECS Ltd, Adv Mat Res Lab, Taegu 704702, South Korea
[3] Korea Basic Sci Inst, Pusan 609735, South Korea
[4] Pusan Natl Univ, Div Nanosci & Technol, Pusan 609735, South Korea
来源
EUROPHYSICS LETTERS | 2003年 / 64卷 / 06期
关键词
D O I
10.1209/epl/i2003-00628-6
中图分类号
O4 [物理学];
学科分类号
0702 ;
摘要
We investigated the induced ferromagnetism by the co-doping of Li in ZnO: Cr. For this study, we fabricated ZnO: Cr and Li co-doped ZnO: Cr by the sol-gel method. While the ZnO: Cr thin film showed no ferromagnetic behavior, we observed a clear magnetic hysteresis loop in the Li co-doped ZnO: Cr thin film above 350 K. In order to analyze the role of Li in ZnO: Cr, we carried out a structural study using X-ray diffraction and X-ray photoemission spectroscopy measurement, and discussed the results. In the magnetic-force-microscopy measurement, we did not observe any magnetic clustering corresponding to the segregated secondary phase. In this paper, we discussed some viewpoints for ferromagnetism in the case of Li co-doped ZnO: Cr.
引用
收藏
页码:797 / 802
页数:6
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