Designing a Self-Biased CPW Circulator Based on Strontium Hexaferrite Thick Film View Full Text


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Article Info

DATE

2017-04-19

AUTHORS

E. Kiani, A. poorbafrani

ABSTRACT

A 400 μm strontium hexaferrite thick film was prepared through a two-step sintering method; with the grain size diameter of the film about 0.7 μm, the relative density about ρrelative=0.9\documentclass[12pt]{minimal} \usepackage{amsmath} \usepackage{wasysym} \usepackage{amsfonts} \usepackage{amssymb} \usepackage{amsbsy} \usepackage{mathrsfs} \usepackage{upgreek} \setlength{\oddsidemargin}{-69pt} \begin{document}$$ \rho_{\text{relative}} = 0.9 $$\end{document}, and the remanent magnetization (Mr) 3940 G. Based on this thick film, a self-biased coplanar waveguide circulator was proposed. The calculated S-parameters indicate that by proper optimization of the structure, an isolation of 19 dB and insertion loss of 1.53 dB is attained. The effects of film porosity and thickness on the insertion losses are discussed. More... »

PAGES

5089-5093

References to SciGraph publications

  • 2009-06-25. Microwave ferrites, part 1: fundamental properties in JOURNAL OF MATERIALS SCIENCE: MATERIALS IN ELECTRONICS
  • 2012-11-11. Microstructural and magnetic properties of self-biased strontium hexaferrite thick films by two-step sintering in JOURNAL OF MATERIALS SCIENCE: MATERIALS IN ELECTRONICS
  • Identifiers

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    http://scigraph.springernature.com/pub.10.1007/s11664-017-5505-x

    DOI

    http://dx.doi.org/10.1007/s11664-017-5505-x

    DIMENSIONS

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