Spindle-Like α-Fe2O3 Embedded with TiO2 Nanocrystalline: Ion Implantation Preparation and Enhanced Magnetic Properties

被引：6
|
作者：
Sun, Lingling [1 ,2 ,3 ]
Wu, Wei [4 ,5 ]
Zhang, Shaofeng [1 ,2 ,3 ]
Liu, Yichao [1 ,2 ,3 ]
Xiao, Xiangheng [1 ,2 ,3 ]
Ren, Feng [1 ,2 ,3 ]
Cai, Guangxu [1 ,2 ,3 ]
Jiang, Changzhong [1 ,2 ,3 ]
机构：
[1] Wuhan Univ, Key Lab Artificial Micro & Nanostruct, Minist Educ, Wuhan 430072, Peoples R China
[2] Wuhan Univ, Ctr Elect Microscopy, Wuhan 430072, Peoples R China
[3] Wuhan Univ, Sch Phys & Technol, Wuhan 430072, Peoples R China
[4] Wuhan Univ, Sch Printing & Packaging, Wuhan 430072, Peoples R China
[5] Wuhan Univ, Sch Chem & Mol Sci, Wuhan 430072, Peoples R China
来源：
JOURNAL OF NANOSCIENCE AND NANOTECHNOLOGY | 2013年 / 13卷 / 08期
基金：
中国博士后科学基金;
关键词：
Bi-Component NPs; Ion Implantation; alpha-Fe2O3/TiO2; NPs; Magnetic Properties; PHASE-TRANSFORMATION; DNA HYBRIDIZATION; NANOPARTICLES; SPECTROSCOPY; FABRICATION; ANATASE; GOLD;
D O I：
10.1166/jnn.2013.7495
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
Mastery of the structure of nanonnaterials enables control of their properties to enhance their performance for a given application. A scalable method for synthesis of alpha-Fe2O3/TiO2 bi-component nanoparticles (NPs) with novel structure (TiO2 NPs filled into the alpha-Fe2O3) by combining with wet-chemical route and ion implantation-based physical route has been proposed. Different implanted energy and the magnetic properties of bi-component alpha-Fe2O3 NPs were investigated. The results illustrate alpha-Fe2O3 composite NPs can be obtained by Ti ions implantation with different energy, and the saturation magnetization (M-s) of the samples after ion implantation are significantly enhanced. The results also reveal that conversion phase from hematite to magnetite have been occurred under the thermal effects during ion implantation.
引用
收藏
页码：5428 / 5433
页数：6
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