Magnetic Properties of Fe-Doped Rutile

被引：0
|
作者：
W. Wang
J. Dai
J. Tang
D.-T. Jiang
Y. Chen
J. Fang
J. He
W. Zhou
L. Spinu
机构：
[1] University of New Orleans,Department of Physics
[2] Shanghai Zhangjiang High Tech Park,Canadian Light Source Inc.
[3] Co.,Department of Metallic Materials Engineering
[4] Ltd.,Advanced Materials Research Institute
[5] University of Saskatchewan,undefined
[6] Sichuan University,undefined
[7] University of New Orleans,undefined
来源：
Journal of Superconductivity | 2003年 / 16卷
关键词：
magnetic semiconductor; rutile, TiO; ball milling; pulsed laser deposition;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
Ball-milling method was applied to dissolve Fe into titanium dioxide (TiO2). X-ray diffraction indicated the starting anatase changed to a rutile-type structure with oxygen deficiency after ball milling. Transmission electron microscopy and X-ray absorption experiments were conducted to examine the possible existence of magnetic impurities in the ball-milled powders after they were leached in HCl solutions. Temperature dependence of the resistivity shows semiconducting behavior and the magnetic hysteresis loops at 5 and 300 K exhibit ferromagnetic characteristics. Fe-doped TiO2 films were also prepared by pulsed laser deposition. The magnetic properties of the films are discussed.
引用
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页码：155 / 157
页数：2
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