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Effect of Sintering Conditions on the Properties of Mn-Zn Ferrites Produced by Co-Precipitation

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Abstract:

Mn0.49Zn0.48Fe2.06O4 ferrite nano-powders were prepared by co-precipitation method and pressed into ring samples by dry pressing to study the effect of sintering atmosphere, sintering temperature and heating rate on properties of Mn-Zn Ferrites. X ray diffraction (XRD), scanning electron microscopy (SEM), and vibration sample magnetometer (VSM) were used to characterize properties of the obtained samples. It was shown that the samples sintered in nitrogen contained no impurities with cubic spinel structure. The samples sintered at 880°C with heating rate of 5°C/min had a density of 4.82 g•cm-3, high quality factor Q of 57 at a frequency of 2MHz, high saturation magnetization Ms of 90.02emu•g-1.

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Periodical:

Advanced Materials Research (Volumes 391-392)

Pages:

839-843

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.391-392.839

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Online since:

December 2011

Authors:

Gui Xin Wang, Hong Xia Wu, Yan Fei Jiang, Hui Fen Peng, Xin Wang

Keywords:

Co-Precipitation, MnZn Ferrite, Nano-Powder, Sintering

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© 2012 Trans Tech Publications Ltd. All Rights Reserved

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