SYNTHESIS AND MAGNETIC PROPERTIES OF NANOCRYSTALLINE Ba3Co2 (0.8-x)Mn0.4Ni2xFe24O41 PREPARED BY CITRATE SOL-GEL METHOD

被引：0
|
作者：
Ali-Sharbati [1 ]
Saeed-Choopani [2 ]
Ali-Ghasemi [3 ]
Al-Amri, Issa [4 ]
Machado, C. F. Cerqueira [5 ]
Paesano, A., Jr. [5 ]
机构：
[1] Islamic Azad Univ, Falavarjan Branch, Esfahan, Iran
[2] Tabriz Univ, Dept Phys, Tabriz, Iran
[3] Shinshu Univ, Fac Engn, Dept Informat Engn, Ngano 3808553, Japan
[4] Sultan Qaboos Univ, Coll Med & Hlth Sci, Electron Microscopy Unit, Al Khoud 123, Oman
[5] Univ Estadual Maringa, Dept Fis, Maringa, Parana, Brazil
来源：
DIGEST JOURNAL OF NANOMATERIALS AND BIOSTRUCTURES | 2011年 / 6卷 / 01期
关键词：
Z-type hexaferrites; nanocrystalline; magnetic properties; Mossbauer spectroscopy; reflection loss; STRUCTURAL-PROPERTIES; ABSORBING PROPERTIES; BARIUM HEXAFERRITE; BA-FERRITE; MICROSTRUCTURE; COPRECIPITATION; NANOPARTICLES; POWDER;
D O I：
暂无
中图分类号：
TB3 [工程材料学];
学科分类号：
0805 ; 080502 ;
摘要：
The synthesis of nanocrystalline Z-type hexaferrites Ba3Co2 (0.8-x)Mn0.4Ni2xFe24O41 powders by citrate sol-gel method has been investigated. The effect of Mn2+Ni2+ substitution on microwave absorption has been studied for Co-Z, where x varies from 0 to 0.15 in steps of 0.05, in frequency range from 12 to 20 GHz. X-ray diffraction (XRD), Mossbauer spectroscopy, vibrating sample magnetometry (VSM), transmission electron microscope (TEM), electron diffraction and vector network analyzer were used to analyze the structures electromagnetic and microwave absorption properties. The results showed that the addition x, leads to decreasing coercive force (H-c) and saturation magnetization.
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页码：187 / 198
页数：12
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