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The Sixtus-Tonks, Kerr effect microscopy and magnetic impedance techniques have been applied. There was a transformation of the magnetic structure across the zones subjected to annealing at different temperatures. The annealing temperature distribution induces the graded magnetic anisotropy in the studied sample. The variety of the surface domain structures depending on the longitudinal location has been discovered. Spiral, circular, curved, elliptic and longitudinal domain structures coexist and replace each other in the process of magnetization reversal. The analysis of the obtained results was carried out based on the calculations of the magnetic structure, assuming the distribution of internal stresses.<\/jats:p>","DOI":"10.3390\/s23063079","type":"journal-article","created":{"date-parts":[[2023,3,14]],"date-time":"2023-03-14T03:04:46Z","timestamp":1678763086000},"page":"3079","update-policy":"https:\/\/doi.org\/10.3390\/mdpi_crossmark_policy","source":"Crossref","is-referenced-by-count":6,"title":["Determination of Magnetic Structures in Magnetic Microwires with Longitudinally Distributed Magnetic Anisotropy"],"prefix":"10.3390","volume":"23","author":[{"given":"Alexander","family":"Chizhik","sequence":"first","affiliation":[{"name":"Department Advanced Polymers and Materials: Physics, Chemistry and Technology, University of Basque Country, UPV\/EHU, 20018 San Sebastian, Spain"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-2073-5798","authenticated-orcid":false,"given":"Paula","family":"Corte-Leon","sequence":"additional","affiliation":[{"name":"Department Advanced Polymers and Materials: Physics, Chemistry and Technology, University of Basque Country, UPV\/EHU, 20018 San Sebastian, Spain"},{"name":"Department of Applied Physics, University of Basque Country EIG, UPV\/EHU, 20018 San Sebastian, Spain"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-2926-9826","authenticated-orcid":false,"given":"Valentina","family":"Zhukova","sequence":"additional","affiliation":[{"name":"Department Advanced Polymers and Materials: Physics, Chemistry and Technology, University of Basque Country, UPV\/EHU, 20018 San Sebastian, Spain"},{"name":"Department of Applied Physics, University of Basque Country EIG, UPV\/EHU, 20018 San Sebastian, Spain"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Julian","family":"Gonzalez","sequence":"additional","affiliation":[{"name":"Department Advanced Polymers and Materials: Physics, Chemistry and Technology, University of Basque Country, UPV\/EHU, 20018 San Sebastian, Spain"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-8945-687X","authenticated-orcid":false,"given":"Przemyslaw","family":"Gawronski","sequence":"additional","affiliation":[{"name":"Faculty of Physics and Applied Computer Science, AGH University of Science and Technology, 30-059 Cracow, Poland"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Juan Mari","family":"Blanco","sequence":"additional","affiliation":[{"name":"Department of Applied Physics, University of Basque Country EIG, UPV\/EHU, 20018 San Sebastian, Spain"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-5025-4859","authenticated-orcid":false,"given":"Arcady","family":"Zhukov","sequence":"additional","affiliation":[{"name":"Department Advanced Polymers and Materials: Physics, Chemistry and Technology, University of Basque Country, UPV\/EHU, 20018 San Sebastian, Spain"},{"name":"Department of Applied Physics, University of Basque Country EIG, UPV\/EHU, 20018 San Sebastian, Spain"},{"name":"IKERBASQUE, Basque Foundation for Science, 48011 Bilbao, Spain"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"1968","published-online":{"date-parts":[[2023,3,13]]},"reference":[{"key":"ref_1","unstructured":"Tishin, A.M. 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