SKM 2023 – scientific programme
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MA: Fachverband Magnetismus
MA 34: Focus Session: Spin-Phonon Coupling
Thursday, March 30, 2023, 09:30–13:00, HSZ 02
Recent work on ultrafast demagnetization in ferromagnets has demonstrated that angular momentum can be transferred from the spin system to the lattice on ultrashort time scales. These findings demonstrate that a detailed understanding of the mechanisms that transfer angular momentum between the spin system and the lattice are of key importance in spintronics. The goal of this focus session is to give an overview over spin-phonon coupling effects in solids, ranging from the Einstein-de Haas effect on ultrafast time scales to magnon-phonon coupling and acoustic spin pumping at GHz frequencies. Coordinators: Tobias Kampfrath, Freie Universität Berlin and Uli Nowak, Universität Konstanz.
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09:30 | MA 34.1 | Invited Talk: Polarized phonons carry angular momentum in ultrafast demagnetization — •Peter Baum |
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10:00 | MA 34.2 | Invited Talk: Spin-phonon coupling in ordered magnets: origin and consequences — •Akashdeep Kamra |
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10:30 | MA 34.3 | Invited Talk: Magnon-mechanics in high overtone acoustic resonators — •Hans Huebl |
11:00 | 15 min. break | ||
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11:15 | MA 34.4 | Invited Talk: Cavity Magnomechanics: Harnessing the Magnomechanical Coupling for Applications in the Microwave and Optical Regimes — •Silvia Viola Kusminskiy |
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11:45 | MA 34.5 | Invited Talk: Coherent spin-wave transport in an antiferromagnet — •Andrea Caviglia |
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12:15 | MA 34.6 | Magnon-phonon coupling in polycrystalline metallic thin films — •Manuel Müller, Johannes Weber, Fabian Engelhardt, Victor A. S. V. Bittencourt, Thomas Luschmann, Silvia Viola Kusminskiy, Stephan Geprägs, Rudolf Gross, Matthias Althammer, and Hans Huebl |
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12:30 | MA 34.7 | Parametric excitation and instabilities of spin waves driven by surface acoustic waves — •Moritz Geilen, Roman Verba, Alexandra Nicoloiu, Daniele Narducci, Adrian Dinescu, Milan Ender, Morteza Mohseni, Florin Ciubotaru, Mathias Weiler, Alexandru Müller, Burkard Hillebrands, Christoph Adelmann, and Philipp Pirro |
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12:45 | MA 34.8 | Magnetic ordering and spin-lattice interactions in MCrO2 and MCrS2 (with M = Li, Na, K, Cu, Ag, Au) — •S. Mankovsky, H. Lange, S. Polesya, and H. Ebert |