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This is because antiferromagnetic magnetism is challenging to perturb using traditional methods such as magnetic fields. Recent developments in spin-orbit torques have opened a possibility of accessing antiferromagnetic magnetic order parameters and controlling terahertz magnons, which has not been experimentally realised yet. Here, we demonstrate the electrical manipulation of sub-terahertz magnons in the\n                    <jats:italic>\u03b1<\/jats:italic>\n                    -Fe\n                    <jats:sub>2<\/jats:sub>\n                    O\n                    <jats:sub>3<\/jats:sub>\n                    \/Pt antiferromagnetic heterostructure. By applying the spin-orbit torques in the heterostructure, we can modify the magnon dispersion and decrease the magnon frequency in\n                    <jats:italic>\u03b1<\/jats:italic>\n                    -Fe\n                    <jats:sub>2<\/jats:sub>\n                    O\n                    <jats:sub>3<\/jats:sub>\n                    , as detected by time-resolved magneto-optical techniques. We have found that optimal tuning occurs when the N\u00e9el vector is perpendicular to the injected spin polarisation. Our results represent a significant step towards the development of electrically tunable terahertz spintronic devices.\n                  <\/jats:p>","DOI":"10.1038\/s41467-024-48431-w","type":"journal-article","created":{"date-parts":[[2024,5,14]],"date-time":"2024-05-14T01:02:04Z","timestamp":1715648524000},"update-policy":"https:\/\/doi.org\/10.1007\/springer_crossmark_policy","source":"Crossref","is-referenced-by-count":32,"title":["Spin-orbit torque manipulation of sub-terahertz magnons in antiferromagnetic \u03b1-Fe2O3"],"prefix":"10.1038","volume":"15","author":[{"given":"Dongsheng","family":"Yang","sequence":"first","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Taeheon","family":"Kim","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Kyusup","family":"Lee","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-0924-324X","authenticated-orcid":false,"given":"Chang","family":"Xu","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Yakun","family":"Liu","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Fei","family":"Wang","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Shishun","family":"Zhao","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-2749-789X","authenticated-orcid":false,"given":"Dushyant","family":"Kumar","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-0907-2898","authenticated-orcid":false,"given":"Hyunsoo","family":"Yang","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"297","published-online":{"date-parts":[[2024,5,14]]},"reference":[{"key":"48431_CR1","doi-asserted-by":"publisher","first-page":"413001","DOI":"10.1088\/1361-648X\/abec1a","volume":"33","author":"A Barman","year":"2021","unstructured":"Barman, A. et al. 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