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Conventionally, magnetic skyrmions are stabilized by chiral bulk or interfacial Dzyaloshinskii-Moriya interaction (DMI) in noncentrosymmetric B20 bulk crystals (at low temperatures) or ultrathin magnetic films with out-of-plane magnetic anisotropy (at room temperature), respectively. The skyrmion stability in the ultrathin films relies on a delicate balance of their material parameters that are hard to control experimentally. Here, we propose an alternate approach to stabilize a skyrmion in ferromagnetic media by modifying its surroundings in order to create strong dipolar fields of the radial symmetry. We demonstrate that artificial magnetic skyrmions can be stabilized even in a simple media such as a continuous soft ferromagnetic film, provided that it is coupled to a hard magnetic antidot matrix by exchange and dipolar interactions, without any DMI. N\u00e9el skyrmions, either isolated or arranged in a 2D array with a high packing density, can be stabilized using antidot as small as 40 nm in diameter for soft magnetic films made of Permalloy. When the antidot diameter is increased, the skyrmion configuration transforms into a curled one, becoming an intermediate between the N\u00e9el and Bloch skyrmions. In addition to skyrmions, the considered nanostructure supports the formation of nontopological magnetic solitons that may be regarded as skyrmions with a reversed core.<\/jats:p>","DOI":"10.1063\/1.5093371","type":"journal-article","created":{"date-parts":[[2019,8,16]],"date-time":"2019-08-16T13:43:40Z","timestamp":1565963020000},"update-policy":"https:\/\/doi.org\/10.1063\/aip-crossmark-policy-page","source":"Crossref","is-referenced-by-count":29,"title":["Route to form skyrmions in soft magnetic films"],"prefix":"10.1063","volume":"7","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-2044-486X","authenticated-orcid":false,"given":"D.","family":"Navas","sequence":"first","affiliation":[{"name":"Institute of Physics for Advanced Materials, Nanotechnology and Photonics (IFIMUP)\/Departamento de F\u00edsica e Astronomia, Universidade do Porto 1 , 4169-007 Porto, Portugal"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-8811-6232","authenticated-orcid":false,"given":"R. V.","family":"Verba","sequence":"additional","affiliation":[{"name":"Institute of Magnetism, National Academy of Sciences of Ukraine 2 , 03142 Kyiv, Ukraine"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-6600-7801","authenticated-orcid":false,"given":"A.","family":"Hierro-Rodriguez","sequence":"additional","affiliation":[{"name":"Institute of Physics for Advanced Materials, Nanotechnology and Photonics (IFIMUP)\/Departamento de F\u00edsica e Astronomia, Universidade do Porto 1 , 4169-007 Porto, Portugal"},{"name":"School of Physics and Astronomy, University of Glasgow 3 , G12 8QQ Glasgow, United Kingdom"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-6407-5365","authenticated-orcid":false,"given":"S. A.","family":"Bunyaev","sequence":"additional","affiliation":[{"name":"Institute of Physics for Advanced Materials, Nanotechnology and Photonics (IFIMUP)\/Departamento de F\u00edsica e Astronomia, Universidade do Porto 1 , 4169-007 Porto, Portugal"}]},{"given":"X.","family":"Zhou","sequence":"additional","affiliation":[{"name":"Department of Electrical and Computer Engineering, National University of Singapore 4 , 117583, Singapore"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-0676-4621","authenticated-orcid":false,"given":"A. O.","family":"Adeyeye","sequence":"additional","affiliation":[{"name":"Department of Electrical and Computer Engineering, National University of Singapore 4 , 117583, Singapore"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-7895-8265","authenticated-orcid":false,"given":"O. V.","family":"Dobrovolskiy","sequence":"additional","affiliation":[{"name":"Physikalisches Institut, Goethe University 5 , 60438 Frankfurt am Main, Germany"},{"name":"Department of Physics, V. Karazin National University 6 , 61077 Kharkiv, Ukraine"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-2189-6470","authenticated-orcid":false,"given":"B. A.","family":"Ivanov","sequence":"additional","affiliation":[{"name":"Institute of Magnetism, National Academy of Sciences of Ukraine 2 , 03142 Kyiv, Ukraine"},{"name":"National University of Science and Technology, \u201cMISiS\u201d 7 , Moscow 119049, Russian Federation"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-0096-9052","authenticated-orcid":false,"given":"K. Y.","family":"Guslienko","sequence":"additional","affiliation":[{"name":"Depto. F\u00edsica de Materiales, Universidad del Pa\u00eds Vasco, UPV\/EHU 8 , 20018 San Sebasti\u00e1n, Spain"},{"name":"IKERBASQUE, The Basque Foundation for Science 9 , 48013 Bilbao, Spain"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-7081-581X","authenticated-orcid":false,"given":"G. 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