{"database":"biostudies-literature","file_versions":[],"scores":null,"additional":{"omics_type":["Unknown"],"volume":["6"],"submitter":["Bonetti S"],"pubmed_abstract":["Spin waves, the collective excitations of spins, can emerge as nonlinear solitons at the nanoscale when excited by an electrical current from a nanocontact. These solitons are expected to have essentially cylindrical symmetry (that is, s-like), but no direct experimental observation exists to confirm this picture. Using a high-sensitivity time-resolved magnetic X-ray microscopy with 50 ps temporal resolution and 35 nm spatial resolution, we are able to create a real-space spin-wave movie and observe the emergence of a localized soliton with a nodal line, that is, with p-like symmetry. Micromagnetic simulations explain the measurements and reveal that the symmetry of the soliton can be controlled by magnetic fields. Our results broaden the understanding of spin-wave dynamics at the nanoscale, with implications for the design of magnetic nanodevices."],"journal":["Nature communications"],"pagination":["8889"],"full_dataset_link":["https://www.ebi.ac.uk/biostudies/studies/S-EPMC4660209"],"repository":["biostudies-literature"],"pubmed_title":["Direct observation and imaging of a spin-wave soliton with p-like symmetry."],"pmcid":["PMC4660209"],"pubmed_authors":["Ohldag H","Durr HA","Stohr J","Kukreja R","Macia F","Hernandez JM","Frisch J","Katine J","Malm G","Kent AD","Backes D","Chen Z","Urazhdin S","Eklund A","Bonetti S"],"additional_accession":[]},"is_claimable":false,"name":"Direct observation and imaging of a spin-wave soliton with p-like symmetry.","description":"Spin waves, the collective excitations of spins, can emerge as nonlinear solitons at the nanoscale when excited by an electrical current from a nanocontact. These solitons are expected to have essentially cylindrical symmetry (that is, s-like), but no direct experimental observation exists to confirm this picture. Using a high-sensitivity time-resolved magnetic X-ray microscopy with 50 ps temporal resolution and 35 nm spatial resolution, we are able to create a real-space spin-wave movie and observe the emergence of a localized soliton with a nodal line, that is, with p-like symmetry. Micromagnetic simulations explain the measurements and reveal that the symmetry of the soliton can be controlled by magnetic fields. Our results broaden the understanding of spin-wave dynamics at the nanoscale, with implications for the design of magnetic nanodevices.","dates":{"release":"2015-01-01T00:00:00Z","publication":"2015 Nov","modification":"2025-04-18T13:17:26.994Z","creation":"2019-03-27T02:02:43Z"},"accession":"S-EPMC4660209","cross_references":{"pubmed":["26567699"],"doi":["10.1038/ncomms9889"]}}