Enhanced ferromagnetic properties of diluted Fe doped ZnO with an Al co-doping

被引：7
|
作者：
Ahn, Geun Young [2 ]
Park, Seung-Iel [1 ]
Kim, Chul Sung [1 ]
机构：
[1] Kookmin Univ, Dept Phys, Seoul 136702, South Korea
[2] Korea Atom Energy Res Inst, HANARO Utilizat Technol Dev Ctr, Taejon 305353, South Korea
来源：
PHYSICA STATUS SOLIDI A-APPLICATIONS AND MATERIALS SCIENCE | 2007年 / 204卷 / 12期
关键词：
D O I：
10.1002/pssa.200777368
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Al-added Zn0.99-xFexAl0.01O (x = 0, 0.02, 0.05) powders were prepared with an annealing in an Ar atmosphere at 1200 degrees C. All the peaks from the X-ray diffraction patterns of the samples belonged to the hexagonal (P6(3)mc) lattice of ZnO, and no indication of a secondary phase was found. The lattice parameters for the Zn0.99-xFexAl0.01O were a(0) = 3.254 angstrom and c(0) = 5.209 angstrom at room temperature. The hysteresis curve for the Zn0.99-xFexAl0.01O at room temperature revealed a ferromagnetic phase. The temperature dependency of the magnetization curve was measured from 60 to 350 K and revealed that the Curie temperature was above room temperature. In this study we demonstrated an enhanced ferromagnetic behavior due to an electric property change with an Al co-doping effect. (c) 2007 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim.
引用
收藏
页码：4037 / 4040
页数：4
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