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Study of the dispersion relation for an interacting magnon gas in a YIG film at room temperature

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Treballs Finals de Grau de Física, Facultat de Física, Universitat de Barcelona, Curs: 2024, Tutor: Marius V. Costache

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The focus of this Treball Fi de Grau (TFG) is the study of magnon’s dispersion relation in a thin film of YIG at room temperature when applying an in-plane magnetic field. The magnon dispersion relation was first analyzed in order to better understand the conditions for the BEC: material thickness and applied magnetic field direction and intensity. Secondly, the ferromagnetic resonance was experimentally studied in a thin YIG film with the theoretically analyzed geometry, more specifically the uniform mode (k = 0) and spin-wave resonance.

# metadata.dc.title[].value
Study of the dispersion relation for an interacting magnon gas in a YIG film at room temperature