Signature of room temperature ferromagnetism in Mn doped CeO2 nanoparticles

被引：28
|
作者：
Kumar, Shalendra [1 ]
Ahmed, Faheem [1 ]
Anwar, M. S. [1 ]
Choi, H. K. [1 ]
Chung, Hanshik [2 ,3 ]
Koo, B. H. [1 ]
机构：
[1] Changwon Natl Univ, Sch Nano & Adv Mat, Chang Won 641773, South Korea
[2] Gyeongsang Natl Univ, Inst Marine Ind, Tongyeong 650160, South Korea
[3] Gyeongsang Natl Univ, Dept Mech & Precis Engn, Tongyeong 650160, South Korea
来源：
MATERIALS RESEARCH BULLETIN | 2012年 / 47卷 / 10期
关键词：
TGA; MAGNETIC-PROPERTIES; THIN-FILMS; SEMICONDUCTORS;
D O I：
10.1016/j.materresbull.2012.04.136
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
We report structural and magnetic properties of Mn doped CeO2 nanoparticles using X-ray diffraction (XRD), field emission transmission electron microscopy (FE-TEM) and dc magnetization measurements. XRD results infer that all the samples have single phase nature and lattice parameters decrease with Mn doping. The particle size calculated using XRD and TEM analysis was found to decrease with Mn doping. Field cooled magnetization measurement shows that the transition temperature is above room temperature. Magnetic hysteresis loop studies indicate that undoped and Mn doped CeO2 nanoparticles show weak ferromagnetic behavior at room temperature. (C) 2012 Elsevier Ltd. All rights reserved.
引用
收藏
页码：2980 / 2983
页数：4
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