{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,9,24]],"date-time":"2026-09-24T11:11:00Z","timestamp":1790248260141,"version":"4.1.0"},"reference-count":32,"publisher":"MDPI AG","issue":"19","license":[{"start":{"date-parts":[[2026,9,24]],"date-time":"2026-09-24T00:00:00Z","timestamp":1790208000000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"funder":[{"name":"VEGA Agency","award":["VEGA 24032003"],"award-info":[{"award-number":["VEGA 24032003"]}]},{"award":["VEGA 24032003"],"award-info":[{"award-number":["VEGA 24032003"]}],"id":[{"id":"https:\/\/ror.org\/02z80ct15","id-type":"ROR","asserted-by":"publisher"}]}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Nanomaterials"],"abstract":"<jats:p>Low magnetic damping and narrow ferromagnetic resonance (FMR) linewidth are essential for efficient spin-wave excitation in magnonic devices. We investigate how a combination of deposition techniques, interface engineering, and consequent thermal treatment affects magnetic losses in thin permalloy (Py, Ni80Fe20) films prepared by electron-beam evaporation and magnetron sputtering. Broadband vector network analyzer FMR, atomic force microscopy, and electromagnetic simulations were used to correlate linewidth, surface morphology, and spin-wave excitation. Comparable minimum linewidths were reached by both deposition routes: approximately 23 Oe at 4 GHz for the best electron-beam-evaporated film and approximately 21 Oe for a 20 nm TaN\/Py\/TaN structure. Electron-beam-evaporated films proved sensitive to substrate choice, surface preparation and\u2014in the absence of plasma cleaning\u2014deposition temperature, whereas the magnetic field applied during growth had only a weak effect. After magnetic annealing, however, only the TaN-encapsulated structure retained its narrow linewidth, while the uncapped films broadened substantially. Simulations further showed that linewidth reduction enhances the excitation efficiency and visibility of standing spin-wave modes. These results indicate that comparable losses are achievable through several process routes, whereas retaining them through thermal processing requires interface engineering\u2014a distinction that matters for integrating Py films into magnonic and spintronic devices.<\/jats:p>","DOI":"10.3390\/nano16191209","type":"journal-article","created":{"date-parts":[[2026,9,24]],"date-time":"2026-09-24T10:16:28Z","timestamp":1790244988000},"page":"1209","update-policy":"https:\/\/doi.org\/10.3390\/mdpi_crossmark_policy","source":"Crossref","is-referenced-by-count":0,"title":["Magnetic Resonance Properties of Thin Py Films Suitable for Excitation of Spin Waves"],"prefix":"10.3390","volume":"16","author":[{"ORCID":"https:\/\/orcid.org\/0009-0003-0648-5088","authenticated-orcid":false,"given":"Tetiana","family":"Kalmykova","sequence":"first","affiliation":[{"name":"Institute of Electrical Engineering, Slovak Academy of Sciences, Dubravska cesta 9, SK-84104 Bratislava, Slovakia"},{"name":"Department of Radiospectroscopy, O. Ya. Usikov Institute for Radiophysics and Electronics, National Academy of Sciences of Ukraine, Ac. Proskura St. 12, 61085 Kharkiv, Ukraine"}],"role":[{"vocabulary":"crossref","role":"author"},{"role":"methodology","vocabulary":"credit"},{"role":"validation","vocabulary":"credit"},{"role":"formal-analysis","vocabulary":"credit"},{"role":"investigation","vocabulary":"credit"},{"role":"writing-original-draft","vocabulary":"credit"},{"role":"supervision","vocabulary":"credit"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-7489-3409","authenticated-orcid":false,"given":"Sergei","family":"Krylov","sequence":"additional","affiliation":[{"name":"Institute of Electrical Engineering, Slovak Academy of Sciences, Dubravska cesta 9, SK-84104 Bratislava, Slovakia"}],"role":[{"vocabulary":"crossref","role":"author"},{"role":"validation","vocabulary":"credit"},{"role":"formal-analysis","vocabulary":"credit"},{"role":"writing-review-editing","vocabulary":"credit"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-6995-2147","authenticated-orcid":false,"given":"Pavol","family":"Neilinger","sequence":"additional","affiliation":[{"name":"Department of Experimental Physics, Comenius University, SK-84248 Bratislava, Slovakia"}],"role":[{"vocabulary":"crossref","role":"author"},{"role":"resources","vocabulary":"credit"},{"role":"funding-acquisition","vocabulary":"credit"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-8420-6684","authenticated-orcid":false,"given":"Tom\u00e1\u0161","family":"\u0160\u010depka","sequence":"additional","affiliation":[{"name":"Institute of Electrical Engineering, Slovak Academy of Sciences, Dubravska cesta 9, SK-84104 Bratislava, Slovakia"}],"role":[{"vocabulary":"crossref","role":"author"},{"role":"resources","vocabulary":"credit"}]},{"given":"Jan","family":"Derer","sequence":"additional","affiliation":[{"name":"Institute of Electrical Engineering, Slovak Academy of Sciences, Dubravska cesta 9, SK-84104 Bratislava, Slovakia"}],"role":[{"vocabulary":"crossref","role":"author"},{"role":"resources","vocabulary":"credit"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-6765-3127","authenticated-orcid":false,"given":"Sergey","family":"Polevoy","sequence":"additional","affiliation":[{"name":"Department of Radiospectroscopy, O. Ya. Usikov Institute for Radiophysics and Electronics, National Academy of Sciences of Ukraine, Ac. Proskura St. 12, 61085 Kharkiv, Ukraine"}],"role":[{"vocabulary":"crossref","role":"author"},{"role":"methodology","vocabulary":"credit"},{"role":"software","vocabulary":"credit"},{"role":"investigation","vocabulary":"credit"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-7114-4373","authenticated-orcid":false,"given":"Vladim\u00edr","family":"Cambel","sequence":"additional","affiliation":[{"name":"Institute of Electrical Engineering, Slovak Academy of Sciences, Dubravska cesta 9, SK-84104 Bratislava, Slovakia"}],"role":[{"vocabulary":"crossref","role":"author"},{"role":"conceptualization","vocabulary":"credit"},{"role":"writing-review-editing","vocabulary":"credit"},{"role":"supervision","vocabulary":"credit"},{"role":"project-administration","vocabulary":"credit"},{"role":"funding-acquisition","vocabulary":"credit"}]}],"member":"1968","published-online":{"date-parts":[[2026,9,24]]},"reference":[{"key":"ref_1","doi-asserted-by":"crossref","first-page":"453","DOI":"10.1038\/nphys3347","article-title":"Magnon Spintronics","volume":"11","author":"Chumak","year":"2015","journal-title":"Nat. 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