Microwave dielectric properties of nanostructured nickel ferrite

Jacob, John ; Khadar, M. Abdul ; Lonappan, Anil ; Mathew, K. T. (2008) Microwave dielectric properties of nanostructured nickel ferrite Bulletin of Materials Science, 31 (6). pp. 847-851. ISSN 0250-4707

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Official URL: https://doi.org/10.1007/s12034-008-0135-9

Related URL: http://dx.doi.org/10.1007/s12034-008-0135-9

Abstract

Nickel ferrite is one of the important ferrites used in microwave devices. In the present work, we have synthesized nanoparticles of nickel ferrite using chemical precipitation technique. The crystal structure and grain size of the particles are studied using XRD. The microwave dielectric properties of nanostructured nickel ferrite samples of three different average grain sizes and those of two sintered samples were studied. The parameters like dielectric constant, dielectric loss and heating coefficient of the nanoparticles samples are studied in the frequency range from 2·4 to 4 GHz. The values of these parameters are compared with those of sintered pellets of the same samples. All these parameters show size dependent variations.

Item Type:Article
Source:Copyright of this article belongs to Indian Academy of Sciences.
Keywords:Nickel ferrite; Nanostructured; Microwave dielectric; Co-precipitation.
ID Code:141872
Deposited On:27 Dec 2025 11:38
Last Modified:27 Dec 2025 11:38

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