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Chapitre D'ouvrage Année : 2020

Ferrite Ceramics at Microwave Frequencies: Applications and Characterization

Jean-Luc Mattei
Alexis Chevalier
Vincent Laur

Résumé

Basic Properties of Polycrystalline Ferrites Ferrite materials are magnetic oxides, known as ferrimagnetic materials, which are characterized by high magnetic permeability values and insulating behavior over a wide frequency range. Their high electrical resistivity make low-loss ferrimagnets the ideal basis for passive microwave components operating over a wide range of frequencies, from 1 to 100 GHz. They are needed in devices where nonreciprocal behavior is expected, or to strengthen the interaction between a device and the electromagnetic signal. Depending on the applications, either hard or soft ferrites are used. Ferrites have the following main physical properties
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Dates et versions

hal-03224210 , version 1 (12-05-2021)

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Jean-Luc Mattei, Alexis Chevalier, Vincent Laur. Ferrite Ceramics at Microwave Frequencies: Applications and Characterization. Encyclopedia of Materials: Technical Ceramics and Glasses. ELSEVIER ed., 2020, ⟨10.1016/b978-0-12-803581-8.11765-5⟩. ⟨hal-03224210⟩
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