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Reversible Magnetoelectric Control of THz Polarization Rotation in Magnetostrictive Spintronic Emitters on PMN-PT

Archive ouverte : Communication dans un congrès

Lezier, Geoffrey | Koleják, Pierre | Lampin, Jean-Francois | Postava, Kamil | Vanwolleghem, Mathias | Tiercelin, Nicolas

Edité par HAL CCSD ; Optica Publishing Group

International audience. We demonstrate an efficient v oltage c ontrol o f t he p olarization i n Spintronic Terahertz Emitters, by combining a spin pumping multilayer with strong magnetic anisotropy and magnetoelastic properties, and a piezoelectric substrate to obtain a reversible 70° THz polarization rotation by sweeping the applied voltage on the substrate over 400V.

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