Structure and magnetic properties of Ni Cu Zn ferrite materials with La doping
Ni0.3Cu0.07Zn0.63Fe2-xLaxO4 ferrites were prepared by solid phase method and sintered at 1,150 ℃ for6 h.The phase formation,micro structure,and magnetic properties of samples were investigated.With doping of La3+,the samples contain two phases:LaFeO3 and NiCuZn ferrites.Scanning electron microscope(...
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Published in | 稀有金属:英文版 no. 3; pp. 202 - 204 |
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Main Author | |
Format | Journal Article |
Language | English |
Published |
2017
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Online Access | Get full text |
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Summary: | Ni0.3Cu0.07Zn0.63Fe2-xLaxO4 ferrites were prepared by solid phase method and sintered at 1,150 ℃ for6 h.The phase formation,micro structure,and magnetic properties of samples were investigated.With doping of La3+,the samples contain two phases:LaFeO3 and NiCuZn ferrites.Scanning electron microscope(SEM) image shows that La doping constrains the growth of NiCuZn ferrite,which is more uniform.La doping improves magnetic properties of NiCuZn ferrite when x=0.03.The saturation magnetization(Ms) increases first;when x=0.03,the highest value is 75.35 A·m2·kg-1.The permeability increases to the maximum value with frequency and then decreases with the concentration of La3+ increasing.When x=0.03,the maximum value of real permeability at 1 MHz is 333.5,and the loss angle tangent(tanδ) is not more than 0.02.La doping improves the properties of NiCuZn ferrite,which can be applied to low-frequency filters. |
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Bibliography: | Yuan-Xun Li;Jie Li;Qiang Li;Guo-Liang Yu;Huai-Wu Zhang;State Key Laboratory of Electronic Thin Films and Integrated Devices, University of Electronic Science and Technology of China;Institute of Electronic and Information Engineering in Dongguan, University of Electronic Science and Technology of China 11-2112/TF |
ISSN: | 1001-0521 1867-7185 |