The effect of the morphology on the magnetic properties of barium synthesized by Pechini method

被引：48
|
作者：
Galvao, S. B. [1 ]
Lima, A. C. [2 ]
de Medeiros, S. N. [2 ]
Soares, J. M. [3 ]
Paskocimas, C. A. [1 ]
机构：
[1] Univ Fed Rio Grande do Norte, Dept Mat Engn, BR-59078970 Natal, RN, Brazil
[2] Univ Fed Rio Grande do Norte, Dept Fis Teor & Expt, BR-59078970 Natal, RN, Brazil
[3] UERN, Dept Fis, BR-59610090 Mossoro, RN, Brazil
来源：
MATERIALS LETTERS | 2014年 / 115卷
关键词：
Pechini method; Nanoparticles; Barium hexaferrite; Mossbauer spectroscopy; Magnetic properties; BAFE12O19; NANOPARTICLES;
D O I：
10.1016/j.matlet.2013.10.012
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Rod, platelet and ellipsoidal nanostructures of BaFe12O19 have been synthesized by the Pechini method followed by heat treatment. The produced samples were heat treated at 900 degrees C for different hours and characterized by X-ray diffraction, scanning electron microscopy, Mossbauer spectroscopy and vibrating sample magnetometry. The results showed that the particle size and morphology vary with the time of heat treatment. The samples consisting of nanoparticles with different morphologies exhibited plateaus in the magnetic hysteresis loops. (C) 2013 Elsevier B.V. All rights reserved.
引用
收藏
页码：38 / 41
页数：4
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