{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,11,26]],"date-time":"2025-11-26T16:21:25Z","timestamp":1764174085644,"version":"3.41.2"},"reference-count":21,"publisher":"AIP Publishing","issue":"19","content-domain":{"domain":["pubs.aip.org"],"crossmark-restriction":true},"short-container-title":[],"published-print":{"date-parts":[[2014,5,12]]},"abstract":"<jats:p>Vortex gyrotropic modes in ferromagnetic nanostructures can be described as flexure oscillations of the vortex core line with different number of nodes n along the dot thickness. By conducting broadband ferromagnetic resonance measurements in the absence of external magnetic field on Ni80Fe20 circular nanodots with radius R\u2009=\u2009150\u2009nm and thickness 50\u2009\u2264\u2009L\u2009\u2264\u2009100\u2009nm, we established that above L\u2009=\u200970 nm the intensity of more complicated n\u2009=\u20091 vortex mode is unexpectedly higher than the one of n\u2009=\u20090 mode. The observed behavior is explained on the basis of the inhomogeneous vortex mode phase profiles extracted from micromagnetic simulations. The phase difference of vortex core gyrations at the top and bottom dot faces is essentially different from 0 and \u03c0. The difference is increasing with increase in the dot aspect ratio L\/R for the 0th order mode, whereas an inverse relationship is observed for the 1st order mode. The analytical theory indicates that this phase difference has magnetostatic origin.<\/jats:p>","DOI":"10.1063\/1.4878617","type":"journal-article","created":{"date-parts":[[2014,5,16]],"date-time":"2014-05-16T00:30:39Z","timestamp":1400200239000},"update-policy":"https:\/\/doi.org\/10.1063\/aip-crossmark-policy-page","source":"Crossref","is-referenced-by-count":21,"title":["Intensity inversion of vortex gyrotropic modes in thick ferromagnetic nanodots"],"prefix":"10.1063","volume":"104","author":[{"given":"J.","family":"Ding","sequence":"first","affiliation":[{"name":"National University of Singapore 1 Information Storage Materials Laboratory, Department of Electrical and Computer Engineering, , Singapore, Singapore 117576"}]},{"given":"G. N.","family":"Kakazei","sequence":"additional","affiliation":[{"name":"National University of Singapore 1 Information Storage Materials Laboratory, Department of Electrical and Computer Engineering, , Singapore, Singapore 117576"},{"name":"Universidade do Porto 2 IFIMUP and IN-Institute of Nanoscience and Nanotechnology, Departamento de Fisica e Astronomia, , 4169-007 Porto, Portugal"}]},{"given":"X. M.","family":"Liu","sequence":"additional","affiliation":[{"name":"National University of Singapore 1 Information Storage Materials Laboratory, Department of Electrical and Computer Engineering, , Singapore, Singapore 117576"}]},{"given":"K. Y.","family":"Guslienko","sequence":"additional","affiliation":[{"name":"Universidad del Pa\u00eds Vasco 3 Departamento de F\u00edsica de Materiales, Facultad de Qu\u00edmica, , 20018 San Sebasti\u00e1n, Spain"},{"name":"IKERBASQUE 4 , the Basque Foundation for Science, 48011 Bilbao, Spain"}]},{"given":"A. O.","family":"Adeyeye","sequence":"additional","affiliation":[{"name":"National University of Singapore 1 Information Storage Materials Laboratory, Department of Electrical and Computer Engineering, , Singapore, Singapore 117576"}]}],"member":"317","published-online":{"date-parts":[[2014,5,15]]},"reference":[{"key":"2023070123300848100_c1","doi-asserted-by":"publisher","first-page":"1295","DOI":"10.1103\/PhysRev.110.1295","volume":"110","year":"1958","journal-title":"Phys. Rev."},{"key":"2023070123300848100_c2","doi-asserted-by":"publisher","first-page":"168","DOI":"10.1103\/PhysRevLett.1.168","volume":"1","year":"1958","journal-title":"Phys. Rev. Lett."},{"key":"2023070123300848100_c3","doi-asserted-by":"publisher","first-page":"15194","DOI":"10.1103\/PhysRevB.60.15194","volume":"60","year":"1999","journal-title":"Phys. Rev. B"},{"key":"2023070123300848100_c4","doi-asserted-by":"publisher","first-page":"10A709","DOI":"10.1063\/1.1850364","volume":"97","year":"2005","journal-title":"J. Appl. Phys."},{"key":"2023070123300848100_c5","doi-asserted-by":"publisher","first-page":"443","DOI":"10.1063\/1.1772868","volume":"85","year":"2004","journal-title":"Appl. Phys. Lett."},{"key":"2023070123300848100_c6","doi-asserted-by":"publisher","first-page":"4796","DOI":"10.1038\/srep04796","volume":"4","year":"2014","journal-title":"Sci. Rep."},{"key":"2023070123300848100_c7","doi-asserted-by":"publisher","first-page":"498","DOI":"10.1038\/nphys619","volume":"3","year":"2007","journal-title":"Nat. Phys."},{"key":"2023070123300848100_c8","doi-asserted-by":"publisher","first-page":"167202","DOI":"10.1103\/PhysRevLett.106.167202","volume":"106","year":"2011","journal-title":"Phys. Rev. Lett."},{"key":"2023070123300848100_c9","doi-asserted-by":"publisher","first-page":"140404","DOI":"10.1103\/PhysRevB.75.140404","volume":"75","year":"2007","journal-title":"Phys. Rev. B"},{"key":"2023070123300848100_c10","doi-asserted-by":"publisher","first-page":"257201","DOI":"10.1103\/PhysRevLett.100.257201","volume":"100","year":"2008","journal-title":"Phys. Rev. Lett."},{"key":"2023070123300848100_c11","doi-asserted-by":"publisher","first-page":"094407","DOI":"10.1103\/PhysRevB.76.094407","volume":"76","year":"2007","journal-title":"Phys. Rev. B"},{"key":"2023070123300848100_c12","doi-asserted-by":"publisher","first-page":"172408","DOI":"10.1103\/PhysRevB.70.172408","volume":"70","year":"2004","journal-title":"Phys. Rev. B"},{"key":"2023070123300848100_c13","doi-asserted-by":"publisher","first-page":"153001","DOI":"10.1088\/0022-3727\/41\/15\/153001","volume":"41","year":"2008","journal-title":"J. Phys. D: Appl. Phys."},{"key":"2023070123300848100_c14"},{"key":"2023070123300848100_c15","doi-asserted-by":"publisher","first-page":"077207","DOI":"10.1103\/PhysRevLett.93.077207","volume":"93","year":"2004","journal-title":"Phys. Rev. Lett."},{"key":"2023070123300848100_c16","doi-asserted-by":"publisher","first-page":"054416","DOI":"10.1103\/PhysRevB.73.054416","volume":"73","year":"2006","journal-title":"Phys. Rev. B"},{"key":"2023070123300848100_c17","doi-asserted-by":"publisher","first-page":"062501","DOI":"10.1063\/1.3553771","volume":"98","year":"2011","journal-title":"Appl. Phys. Lett."},{"key":"2023070123300848100_c18","doi-asserted-by":"publisher","first-page":"104404","DOI":"10.1103\/PhysRevB.89.104404","volume":"89","year":"2014","journal-title":"Phys. Rev. B"},{"key":"2023070123300848100_c19","doi-asserted-by":"publisher","first-page":"230","DOI":"10.1103\/PhysRevLett.30.230","volume":"30","year":"1973","journal-title":"Phys. Rev. Lett."},{"key":"2023070123300848100_c20","doi-asserted-by":"crossref","first-page":"2745","DOI":"10.1166\/jnn.2008.18305","volume":"8","year":"2008","journal-title":"J. Nanosci. Nanotechnol."},{"key":"2023070123300848100_c21","doi-asserted-by":"publisher","first-page":"132402","DOI":"10.1103\/PhysRevB.66.132402","volume":"66","year":"2002","journal-title":"Phys. Rev. B"}],"container-title":["Applied Physics Letters"],"original-title":[],"language":"en","link":[{"URL":"https:\/\/pubs.aip.org\/aip\/apl\/article-pdf\/doi\/10.1063\/1.4878617\/10148167\/192405_1_online.pdf","content-type":"application\/pdf","content-version":"vor","intended-application":"syndication"},{"URL":"https:\/\/pubs.aip.org\/aip\/apl\/article-pdf\/doi\/10.1063\/1.4878617\/10148167\/192405_1_online.pdf","content-type":"unspecified","content-version":"vor","intended-application":"similarity-checking"}],"deposited":{"date-parts":[[2023,7,1]],"date-time":"2023-07-01T23:30:13Z","timestamp":1688254213000},"score":1,"resource":{"primary":{"URL":"https:\/\/pubs.aip.org\/apl\/article\/104\/19\/192405\/311146\/Intensity-inversion-of-vortex-gyrotropic-modes-in"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[2014,5,12]]},"references-count":21,"journal-issue":{"issue":"19","published-print":{"date-parts":[[2014,5,12]]}},"URL":"https:\/\/doi.org\/10.1063\/1.4878617","relation":{},"ISSN":["0003-6951","1077-3118"],"issn-type":[{"type":"print","value":"0003-6951"},{"type":"electronic","value":"1077-3118"}],"subject":[],"published-other":{"date-parts":[[2014,5,12]]},"published":{"date-parts":[[2014,5,12]]},"article-number":"192405"}}