4.4 Article

Microwave and electrical behavior of Co2+ and Ru4+ ions substituted Ba-Sr sintered ferrite

Journal

JOURNAL OF ELECTROCERAMICS
Volume 27, Issue 3-4, Pages 120-125

Publisher

SPRINGER
DOI: 10.1007/s10832-011-9656-5

Keywords

A-ceramics; D-dielectric properties; D-magnetic properties; D-electrical properties

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The complex permittivity and complex permeability of synthesized M-type hexagonal ferrite powders, Ba0.5Sr0.5CoxRuxFe(12-2x)O19 (x = 0.0, 0.2, 0.4, 0.6, 0.8, 1.0, 1.2) are measured at X-Band. The experimental results conclude that Co2+ and Ru4+ ions substitution enhances electromagnetic properties, rendering the use of ferrite for lossy applications. The acceleration in hoping mechanism between Fe2+ and Fe3+ ions leads to dominance of epsilon' and epsilon aEuro(3) over mu' and mu aEuro(3) along entire frequency band.

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