The correlation between structure and magnetism of Ni-implanted TiO2 annealed at different temperatures

被引：13
|
作者：
Ding, Binfeng [1 ,2 ]
Cheng, Fengfeng [1 ]
Pan, Feng [1 ,3 ]
Fa, Tao [1 ]
Yao, Shude [1 ]
Potzger, Kay [4 ]
Zhou, Shengqiang [1 ,4 ]
机构：
[1] Peking Univ, State Key Lab Nucl Phys & Technol, Beijing 100871, Peoples R China
[2] Langfang Teachers Coll, Dept Phys & Elect Informat, Langfang 065000, Peoples R China
[3] Shanxi Univ Technol, Dept Phys, Hanzhong 723001, Peoples R China
[4] HZDR, Inst Ion Beam Phys & Mat Res, D-01314 Dresden, Germany
来源：
JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS | 2012年 / 324卷 / 01期
基金：
中国国家自然科学基金;
关键词：
Diluted magnetic oxide; Ion implantation; TiO2; FILMS; OXIDE; SEMICONDUCTORS; FERROMAGNETISM; CRYSTALS; FE;
D O I：
10.1016/j.jmmm.2011.07.031
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
In this paper, the structural and magnetic properties of Ni metal implanted TiO2 single crystals are discussed. Ni nanocrystals (NCs) have been formed in TiO2 after ion implantation. Their crystallite sizes increased with increasing post-annealing temperature. Metallic Ni nanocrystals inside the TiO2 matrix are stable up to an annealing temperature of 1073 K. The Ni NCs formed inside TiO2 make the major contribution to the measured ferromagnetism. (C) 2011 Elsevier B.V. All rights reserved.
引用
收藏
页码：33 / 36
页数：4
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