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Soutenance de thèse d’Hugo Merbouche

Lundi 31 mai à 14h15, Hugo Merbouche défendra sa thèse intitulée : “Magnonic Circuits Based on Nanostructured Ultra-Thin YIG for Radiofrequency Applications”

Abstract :
This thesis was aimed at studying the generation, propagation and manipulation of spin-waves in nanostructures of thin films of Y3Fe5O12 (YIG) and one of its doped variants (BiYIG), in order to enable the design of spin-wave based signal processing schemes and devices operating at radiofrequencies. Two goals have been pursued in parallel :
- Provide a better understanding of spin-wave radiofrequency devices for analog applications such as filters or delay lines.
- Explore the physics of spin-orbit-torque (SOT) applied to propagating spin-waves and understand the non-linear phenomena that have so far hindered any practical magnonic amplification scheme.


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