MAGNETIC PROPERTIES OF La-DOPED AND Cu-DOPED ZnO NANOWIRES FABRICATED BY HYDROTHERMAL METHOD

被引：8
|
作者：
Young, San-Lin [1 ]
Chen, Hone-Zern [1 ]
Kao, Ming-Cheng [1 ]
Kung, Chung-Yuan [2 ]
Lin, Chen-Cheng [2 ]
Lin, Teng-Tsai [2 ]
Horng, Lance [3 ]
Shih, Yu-Tai [3 ]
Ou, Chung-Jen [1 ]
Lin, Chen-Han [1 ]
机构：
[1] Hsiuping Univ Sci & Technol, Dept Elect Engn, Taichung 41280, Taiwan
[2] Natl Chung Hsing Univ, Dept Elect Engn, Taichung 40227, Taiwan
[3] Natl Changhua Univ Educ, Dept Phys, Changhua 50007, Taiwan
来源：
INTERNATIONAL JOURNAL OF MODERN PHYSICS B | 2013年 / 27卷 / 15期
关键词：
ZnO; nanowire; ferromagnetism; saturation magnetization; FERROMAGNETISM; GROWTH;
D O I：
10.1142/S0217979213620063
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
La-doped and Cu-doped ZnO nanowires have been prepared to compare the substitution effect on the microstructural and magnetic properties. The XRD patterns of both compositions with single diffraction peak (002) show the same wurtzite hexagonal structure. The growth rate of the ZnO nanowires were enhanced by Cu doping, which were different from the suppression of growth rate by La doping. Room temperature ferromagnetism is observed for all ZnO, Cu-doped ZnO and La-doped ZnO nanowires. The saturation magnetizations are 0.102, 0.232 and 0.04 emu/g for ZnO, Cu-doped ZnO and La-doped ZnO nanowires, respectively. The results showed that the ferromagnetism is restrained by Cu doping, but enhanced by the La doping.
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页数：4
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