Search: onr:"swepub:oai:DiVA.org:su-216449" > Coupling of teraher...
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000 | 03201naa a2200457 4500 | |
001 | oai:DiVA.org:su-216449 | |
003 | SwePub | |
008 | 230505s2023 | |||||||||||000 ||eng| | |
024 | 7 | a https://urn.kb.se/resolve?urn=urn:nbn:se:su:diva-2164492 URI |
024 | 7 | a https://doi.org/10.1038/s41567-022-01908-12 DOI |
040 | a (SwePub)su | |
041 | a engb eng | |
042 | 9 SwePub | |
072 | 7 | a ref2 swepub-contenttype |
072 | 7 | a art2 swepub-publicationtype |
100 | 1 | a Salikhov, Ruslan4 aut |
245 | 1 0 | a Coupling of terahertz light with nanometre-wavelength magnon modes via spin-orbit torque |
264 | c 2023-01-30 | |
264 | 1 | b Springer Science and Business Media LLC,c 2023 |
338 | a print2 rdacarrier | |
520 | a Spin-based technologies can operate at terahertz frequencies but require manipulation techniques that work at ultrafast timescales to become practical. For instance, devices based on spin waves, also known as magnons, require efficient generation of high-energy exchange spin waves at nanometre wavelengths. To achieve this, a substantial coupling is needed between the magnon modes and an electro-magnetic stimulus such as a coherent terahertz field pulse. However, it has been difficult to excite non-uniform spin waves efficiently using terahertz light because of the large momentum mismatch between the submillimetre-wave radiation and the nanometre-sized spin waves. Here we improve the light–matter interaction by engineering thin films to exploit relativistic spin–orbit torques that are confined to the interfaces of heavy metal/ferromagnet heterostructures. We are able to excite spin-wave modes with frequencies of up to 0.6 THz and wavelengths as short as 6 nm using broadband terahertz radiation. Numerical simulations demonstrate that the coupling of terahertz light to exchange-dominated magnons originates solely from interfacial spin–orbit torques. Our results are of general applicability to other magnetic multilayered structures, and offer the prospect of nanoscale control of high-frequency signals. | |
650 | 7 | a NATURVETENSKAPx Fysikx Annan fysik0 (SwePub)103992 hsv//swe |
650 | 7 | a NATURAL SCIENCESx Physical Sciencesx Other Physics Topics0 (SwePub)103992 hsv//eng |
700 | 1 | a Ilyakov, Igor4 aut |
700 | 1 | a Körber, Lukas4 aut |
700 | 1 | a Kákay, Attila4 aut |
700 | 1 | a Gallardo, Rodolfo A.4 aut |
700 | 1 | a Ponomaryov, Alexey4 aut |
700 | 1 | a Deinert, Jan-Christoph4 aut |
700 | 1 | a de Oliveira, Thales V. A. G.4 aut |
700 | 1 | a Lenz, Kilian4 aut |
700 | 1 | a Fassbender, Jürgen4 aut |
700 | 1 | a Bonetti, Stefanou Stockholms universitet,Fysikum,Ca’ Foscari University of Venice, Italy4 aut0 (Swepub:su)sbone |
700 | 1 | a Hellwig, Olav4 aut |
700 | 1 | a Lindner, Jürgen4 aut |
700 | 1 | a Kovalev, Sergey4 aut |
710 | 2 | a Stockholms universitetb Fysikum4 org |
773 | 0 | t Nature Physicsd : Springer Science and Business Media LLCg 19:4, s. 529-535q 19:4<529-535x 1745-2473x 1745-2481 |
856 | 4 | u https://doi.org/10.1038/s41567-022-01908-1y Fulltext |
856 | 4 8 | u https://urn.kb.se/resolve?urn=urn:nbn:se:su:diva-216449 |
856 | 4 8 | u https://doi.org/10.1038/s41567-022-01908-1 |
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