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Title: Measure of SAWs' propagation in magnetoelastics
Author: González Mata, Carla
Director/Tutor: Hernández Ferràs, Joan Manel
Keywords: Ones acústiques de superfície
Treballs de fi de grau
Acoustic surface waves
Bachelor's theses
Issue Date: Jan-2020
Abstract: In this paper we go in depth in the study of the propagation of surface acoustic waves (SAWs) and its coupling with magnetoelastic materials (nickel, in our case). We found that the transmission coefficient of SAWs, propagating in a piezoelectric-magnetoelastic hybrid device, depends on the magnetic field and that there is a similarity with the classic ferromagnetic resonance (FMR).We also observed that there is a delay of 0.25m/s of the SAW's velocity due to the absorption from the magnetoelastic material.
Note: Treballs Finals de Grau de Física, Facultat de Física, Universitat de Barcelona, Curs: 2020, Tutor: Joan Manel Hernàndez Ferràs
Appears in Collections:Treballs Finals de Grau (TFG) - Física

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