Driven-Voltage Permeability Variation Measurements of Bilayered Magnetostrictive/Piezoelectric Materials &for Tunable Microwave Applications

Serge de Blasi (1) , Patrick Queffelec (1) , Sébastien Dubourg (2) , Olivier Bodin (2) , Marc Ledieu (2)

1 LEST - Laboratoire d'Electronique et Systèmes de Télécommunications
2 CEA Le Ripault - CEA Le Ripault

The complex permeability variation measurements at microwave frequencies of a magnetostrictive/piezoelectric bilayer under different values of a dc electric field are reported. A 25% variation of the initial permeability is achieved under a 1.5 106 V/m static electric field.

Mots clés: "Ferromagnetic materials"; "magneto–mechanical effects"; "microwave tunable devices"; "piezoelectric materials"; Ferromagnetic materials; magneto–mechanical effects; microwave tunable devices; piezoelectric materials

Domaines: Electromagnétisme; Matériaux

Serge de Blasi, Patrick Queffelec, Sébastien Dubourg, Olivier Bodin, Marc Ledieu. Driven-Voltage Permeability Variation Measurements of Bilayered Magnetostrictive/Piezoelectric Materials &for Tunable Microwave Applications. IEEE Transactions on Magnetics, 2007, 43 (6), pp.2651. ⟨10.1109/TMAG.2007.893789⟩. ⟨hal-00172013⟩