Abstract
The design of non reciprocal components still remains an important challenge for integrating new functions in microwave devices. Such passive components usually use magnetic materials like ferrites. For high frequency bands barium ferrite could be used without external magnets when the magnetic moments (a cristal axis) are directed moments. Barium ferrite thin fllms or composite material should be suitable materials for integrating non reciprocal microwave passive components. In this way a stripline structure as a rectangular ferrite junction is proposed. Two ferrite slabs are located between an inner conductor and two ground plane. Non reciprocal efiects are observed and this rectangular junction ferrite component could be used as a circulator. 3D simulations results conflrm this flrst approach.
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