A scenario for magnonic spin-wave traps
2015 | journal article; research paper. A publication with affiliation to the University of Göttingen.
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- Authors
- Busse, Frederik; Mansurova, Maria; Lenk, Benjamin; von der Ehe, Marvin; Muenzenberg, Markus G.
- Abstract
- Spatially resolved measurements of the magnetization dynamics on a thin CoFeB film induced by an intense laser pump-pulse reveal that the frequencies of resulting spin-wave modes depend strongly on the distance to the pump center. This can be attributed to a laser generated temperature profile. We determine a shift of 0.5 GHz in the spin-wave frequency due to the spatial thermal profile induced by the femtosecond pump pulse that persists for up to one nanosecond. Similar experiments are presented for a magnonic crystal composed of a CoFeB-film based antidot lattice with a Damon Eshbach mode at the Brillouin zone boundary and its consequences are discussed.
- Issue Date
- 2015
- Journal
- Scientific Reports
- Project
- SFB 1073: Kontrolle von Energiewandlung auf atomaren Skalen
SFB 1073 | Topical Area A | A02 Verständnis und Manipulation von Dissipationskanälen des Energietransports - Organization
- Fakultät für Physik
- ISSN
- 2045-2322
- Sponsor
- Open-Access Publikationsfonds 2015
