Lifetime of coexisting sub-10 nm zero-field skyrmions and antiskyrmions

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Fältnamn	Indikatorer	Metadata
000		03078naa a2200373 4500
001		oai:DiVA.org:lnu-126365
003		SwePub
008		240111s2023 \| \|\|\|\|\|\|\|\|\|\|\|000 \|\|eng\|
024	7	a https://urn.kb.se/resolve?urn=urn:nbn:se:lnu:diva-1263652 URI
024	7	a https://doi.org/10.1038/s41535-023-00586-32 DOI
040		a (SwePub)lnu
041		a engb eng
042		9 SwePub
072	7	a ref2 swepub-contenttype
072	7	a art2 swepub-publicationtype
100	1	a Goerzen, Moritz A.u University of Kiel, Germany4 aut
245	1 0	a Lifetime of coexisting sub-10 nm zero-field skyrmions and antiskyrmions
264	1	b Nature Publishing Group,c 2023
338		a electronic2 rdacarrier
520		a Magnetic skyrmions have raised high hopes for future spintronic devices. For many applications, it would be of great advantage to have more than one metastable particle-like texture available. The coexistence of skyrmions and antiskyrmions has been proposed in inversion-symmetric magnets with exchange frustration. However, so far only model systems have been studied and the lifetime of coexisting metastable topological spin structures has not been obtained. Here, we predict that skyrmions and antiskyrmions with diameters below 10 nm can coexist at zero magnetic field in a Rh/Co bilayer on the Ir(111) surface—an experimentally feasible system. We show that the lifetimes of metastable skyrmions and antiskyrmions in the ferromagnetic ground state are above one hour for temperatures up to 75 and 48 K, respectively. The entropic contribution to the nucleation and annihilation rates differs for skyrmions and antiskyrmions. This opens the route to the thermally activated creation of coexisting skyrmions and antiskyrmions in frustrated magnets with Dzyaloshinskii–Moriya interaction.
650	7	a NATURVETENSKAPx Fysikx Subatomär fysik0 (SwePub)103012 hsv//swe
650	7	a NATURAL SCIENCESx Physical Sciencesx Subatomic Physics0 (SwePub)103012 hsv//eng
653		a Condensed Matter Physics
653		a Kondenserade materians fysik
700	1	a von Malottki, Stephanu University of Kiel, Germany;University of Iceland, Iceland;Dartmouth College, USA4 aut
700	1	a Meyer, Sebastianu University of Kiel, Germany;Nanomat/Q-mat/CESAM Université de Liège, Belgium4 aut
700	1	a Bessarab, Pavel F.,d 1985-u Linnéuniversitetet,Institutionen för fysik och elektroteknik (IFE),University of Iceland, Iceland4 aut0 (Swepub:lnu)pabeab
700	1	a Heinze, Stefanu University of Kiel, Germany4 aut
710	2	a University of Kiel, Germanyb University of Kiel, Germany;University of Iceland, Iceland;Dartmouth College, USA4 org
773	0	t npj Quantum Materialsd : Nature Publishing Groupg 8:1q 8:1x 2397-4648
856	4	u https://doi.org/10.1038/s41535-023-00586-3y Fulltext
856	4	u https://lnu.diva-portal.org/smash/get/diva2:1826251/FULLTEXT01.pdfx primaryx Raw objecty fulltext:print
856	4 8	u https://urn.kb.se/resolve?urn=urn:nbn:se:lnu:diva-126365
856	4 8	u https://doi.org/10.1038/s41535-023-00586-3

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Av författaren/redakt...: Goerzen, Moritz ...; von Malottki, St ...; Meyer, Sebastian; Bessarab, Pavel ...; Heinze, Stefan

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