Open Journal of Metal

Volume 2, Issue 2 (June 2012)

ISSN Print: 2164-2761   ISSN Online: 2164-277X

Google-based Impact Factor: 0.22  Citations  

Microstructure and Microwave Absorption Properties of Y-Substituted Ni-Zn Ferrites

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DOI: 10.4236/ojmetal.2012.22006    6,568 Downloads   12,651 Views  Citations
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ABSTRACT

The Yttrium ions substituted Ni-Zn ferrites powders were prepared using a sol-gel technique. The crystal structure, magnetic properties and microwave absorption properties of the Ni-Zn ferrites powders were studied by X-ray diffraction, vibrating sample magnetometer and vector network analyzer. The results show that the microwave absorption properties of the Ni-Zn ferrites can be improved effectively with the substitution of Y ions. The minimum reflection loss of the Yttrium ions substituted Ni-Zn powder reaches –34.8 dB, with the –20 dB bandwidth over 2 GHz. The Yttrium substitution can improve microwave absorption properties of Ni-Zn ferrite due to smaller grain dimension and the higher specific magnetization

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N. Chen and M. Gu, "Microstructure and Microwave Absorption Properties of Y-Substituted Ni-Zn Ferrites," Open Journal of Metal, Vol. 2 No. 2, 2012, pp. 37-41. doi: 10.4236/ojmetal.2012.22006.

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