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Physical properties of spinel and garnet ferrites
Low-loss ferrites for frequency applications
Article REF: E1760 V1
Physical properties of spinel and garnet ferrites
Low-loss ferrites for frequency applications

Author : Richard LEBOURGEOIS

Publication date: February 10, 2000

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1. Physical properties of spinel and garnet ferrites

1.1 Crystallographic structures and chemical compositions

Ferrites are ferrimagnetic oxides whose major metallic element is iron. The soft ferrites used for their high permeability or low losses have a cubic crystallographic structure. The two main families of soft ferrites are spinels and garnets.

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1.1.1 Spinel structure

The chemical formulae of spinel-structured ferrites are written MeFe 2 O 4 . In the...

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