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Microwave absorption properties of Ti–Zn substituted strontium hexaferrite

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Abstract

Strontium hexaferrites with the composition of SrFe12−xTix/2Znx/2O19 (x = 0–2.5 in steps of 0.5) were synthesized using chlorides by means of co-precipitation route. The structural, magnetic and microwave absorption properties of the samples were surveyed. The results confirmed that the magnetoplumbite single phase was obtained for all samples and the hexagonal particles dispersed within size range of 1–2 µm. With increasing amount of dopant, coercivity decreased from 5640 to 1486 Oe while the maximum saturation magnetization was 63 emu/g and belonged to x = 0.5. The reflection loss results denoted that the prepared composites had excellent microwave absorption properties and the maximum loss of electromagnetic wave was −36.58 dB obtained from ferrite with maximum substitution level.

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Authors and Affiliations

  1. Department of Materials Science and Engineering, Sharif University of Technology, Tehran, Iran

    Aminreza Baniasadi, Milad Azami Ghadikolaei & Ali Nemati

  2. Materials Engineering Department, Malek Ashtar University of Technology, Shahin Shahr, Iran

    Ali Ghasemi & Ebrahim Paimozd

Authors
  1. Aminreza Baniasadi
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  2. Ali Ghasemi
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  3. Milad Azami Ghadikolaei
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  4. Ali Nemati
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  5. Ebrahim Paimozd
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Correspondence to Aminreza Baniasadi.

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Baniasadi, A., Ghasemi, A., Ghadikolaei, M.A. et al. Microwave absorption properties of Ti–Zn substituted strontium hexaferrite. J Mater Sci: Mater Electron 27, 1901–1905 (2016). https://doi.org/10.1007/s10854-015-3971-6

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  • DOI: https://doi.org/10.1007/s10854-015-3971-6

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