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Hybrid magnonics

Event Details
Date: 06.11.2023, 16:15 o'clock 
Location: H?rsaalzentrum Physik (Geb?ude T), HS 1004, Universit?tsstra?e 1, 86159 Augsburg (48.33232805808883, 10.8967723479993)
Organizer(s): Institut für Physik
Topics: Akademisches (Gesamtuniversit?res), Wissenschaftliche Weiterbildung, Physik und Materialwissenschaften
Series of events: Physikalisches Kolloquium
Event Type: Vortrag
Speaker(s): Prof. Dr. Mathias Weiler

Vortragender: Prof. Dr. Mathias Weiler von der TU Kaiserslautern-Landau


Magnons are the fundamental spin excitations of magnetically ordered materials, such as ferromagnets and antiferromagnets. Magnons combine non-linear properties with tunability and sub-micrometer wavelengths in the gigahertz-frequency regime. The field of magnonics [1] explores potential applications of magnons for information processing and communication. These applications encompass wave-based Boolean logic, neural networks, quantum technologies and miniaturized microwave components. The excitation, control, and detection of magnons is at the heart of this broad application spectrum.

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In “hybrid magnonic” approaches, one goes beyond the well-established use of external magnetic fields to interact with spin excitations. Interfacing magnons with electrons, phonons & photons in hybrid architectures addresses a major challenge in the field of magnonics by providing pathways for more efficient excitation, control, and detection of magnons. I will discuss some of our results to exemplify unique features and merits of hybrid magnonics based on magnon-magnon interactions [2], spin-photon interactions [3], and spin-phonon interactions [4-6]. ??

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[1] Chumak et al., IEEE Trans. Magn. 58, 0800172 (2022)

[2] Al-Hamdo et al., Phys. Rev. Lett. 131, 046701 (2023)

[3] Liensberger et al., Phys. Rev. B 104, L100415 (2021)

[4] Kü?, Albrecht, and Weiler, Front. Phys. 10, 981257 (2022)

[5] Shah et al., Adv. Electron. Mater. 2300524 (2023)

[6] Koujok et al., Appl. Phys. Lett. 123, 132403 (2023)

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