Magnetic properties and photoabsorption of the Mn-doped CeO2 nanorods

被引：94
|
作者：
Xia, Chuanhui [1 ,2 ]
Hu, Chenguo [1 ]
Chen, Peng [3 ]
Wan, Buyong [1 ]
He, Xiaoshan [1 ]
Tian, Yongshu [1 ,4 ]
机构：
[1] Chongqing Univ, Dept Appl Phys, Chongqing 400044, Peoples R China
[2] Chongqing Jiaotong Univ, Coll Sci, Chongqing 400074, Peoples R China
[3] Southwest Univ, Sch Phys Sci & Technol, Chongqing 400715, Peoples R China
[4] Chongqing Commun Coll, Chongqing 400035, Peoples R China
来源：
MATERIALS RESEARCH BULLETIN | 2010年 / 45卷 / 07期
关键词：
Oxides; Chemical synthesis; Magnetic properties; Optical properties; CATALYTIC WET-OXIDATION; OXIDES;
D O I：
10.1016/j.materresbull.2010.03.015
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Mn-doped CeO2 nanorods have been prepared from CeO2 particles through a facile composite-hydroxide-mediated (CHM) approach. The analysis from X-ray photoelectron spectroscopy indicates that the manganese doped in CeO2 exists as Mn2+. The magnetic measurement of the Mn-doped CeO2 nanorods exhibits an enhanced ferromagnetic property at room temperature with a remanence magnetization (Mr) of 1.36 x 10(-3) emu/g and coercivity (Hc) of 22 Oe. Comparative UV-visible spectra reveal the shift of the absorption peak of the CeO2 from ultraviolet region to visible light region after being doped with Mn. The room temperature ferromagnetic properties and light absorption of the Mn-doped CeO2 nanorods would have potential applications in photocatalysis and building of photovoltaic devices. (C) 2010 Elsevier Ltd. All rights reserved.
引用
收藏
页码：794 / 798
页数：5
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