Synthesis and ferromagnetism of Mn-doped nanocrystalline ZnO thin films

被引：0
|
作者：
Zhao, X. [1 ,2 ]
Zhang, P. [1 ]
Li, T. [1 ]
Harako, S. [2 ]
Okamoto, J. [2 ]
Komuro, S. [3 ]
Hirao, N. [4 ]
机构：
[1] Tianjin Univ Technol & Educ, AOMEM Ctr, Tianjin 300222, Peoples R China
[2] Tokyo Univ Sci, Dept Phys, Adv Device Lab, Shinjuku Ku, Tokyo 1628601, Japan
[3] Toyo Univ, Fac Engn, Kawagoe, Saitama 3508585, Japan
[4] JAEA, Naka, Ibaraki 3191195, Japan
来源：
2012 12TH IEEE CONFERENCE ON NANOTECHNOLOGY (IEEE-NANO) | 2012年
关键词：
ZnO:Mn; Ferromagnetism; SQUID; XAFS;
D O I：
暂无
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
Mn-dpoed nanocrystalline ZnO thin films have been formed on SiOx/Si substrates by laser ablation and post annealing. It was shown that the magnetic resistance of the samples strongly depended on the annealing temperature and could be correlated to the carrier density change in the ZnO host crystal and/or the Mn magnetism. It was also shown that some of the fabricated sample showed low temperature ferromagnetism, which arose from the local structure change of Mn ion in the ZnO matrix. Our results show a possibility of realizing the ZnO-based magnetic semiconductor by Mn doping.
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页数：2
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