Narrow band tunable spintronic THz emission from ferrimagnetic nanofilms

Autor:	Awari, N., Kovalev, S., Fowley, C., Rode, K., Lau, Y. -C, Betto, D., Thiyagarajah, N., Green, B., Yildrim, O., Lindner, J., Juergen Fassbender, Coey, M., Deac, A., Gensch, M.
Jazyk:	angličtina
Rok vydání:	2016
Předmět:	Condensed Matter::Materials Science Astrophysics::High Energy Astrophysical Phenomena Ferrimagnetic Physics::Optics THz emission Spintronics Spin precession THz Emitter
Zdroj:	IRMMW 2016-41st International Conference on Infrared, Millimeter and Terahertz Waves, 26.-30.09.2016, Copenhagen, Denmark Web of Science INTERMAG 2017, 24.-28.04.2017, Dublin, Ireland
Popis:	we report on narrow band THz emission from ferrimagnetic Mn3-xGa nanofilms based. The emission originates from coherently excited spin precession. The central frequency of the emitted radiation is determined by the anisotropy field, while the bandwidth relates to Gilbert damping. It is shown how THz emission spectroscopy can be used for the material characterization of ultra-thin magnetic films. We furthermore discuss the potential of these types of films as efficient on-chip spintronic THz emitters.
Databáze:	OpenAIRE
Externí odkaz:	https://explore.openaire.eu/search/publication?articleId=dedup_wf_001::52bc0c48f97e059c185629284380dc54 https://www.hzdr.de/publications/Publ-25670-1 Zobrazit plný text záznamu