Multi-Frequency Resonant Measurements of the Complex Permittivity and Initial Permeability of Barium Ferrite Ceramic

The complex permittivity and complex initial permeability of barium ferrite ceramic rods have been measured at multiple frequencies in the 4-18 GHz range employing a cylindrical TM 0n0 mode cavity and five different TE011 dielectric resonators. The imaginary parts were found to be in the 10 -4 - 10...

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Bibliographic Details
Main Authors: Krupka, Jerzy, Pacewicz, Adam, Salski, Bartlomiej, Prusak, Damian, Magalski, Adam
Format: Conference Proceeding
Language:English
Subjects:
barium compounds
cavity resonators
dielectric loss
Dielectric loss measurement
ferrite
Frequency measurement
magnetic loss
Microwave measurement
Permeability
Permeability measurement
Permittivity measurement
Resonant frequency
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Summary:The complex permittivity and complex initial permeability of barium ferrite ceramic rods have been measured at multiple frequencies in the 4-18 GHz range employing a cylindrical TM 0n0 mode cavity and five different TE011 dielectric resonators. The imaginary parts were found to be in the 10 -4 - 10 -3 range, which is much lower than those given in literature data, apparently due to limited resolution of transmission/reflection methods. The obtained results are well-described by a two-resonance permeability model.
ISSN:2576-7216
DOI:10.1109/IMS37964.2023.10187947