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Evaluation of exchange stiffness constant in iron garnet film using micromagnetic simulation

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dc.contributor.coauthorKoguchi, Takumi
dc.contributor.coauthorWatanabe, Toshiaki
dc.contributor.coauthorMiyashita, Hibiki
dc.contributor.coauthorIshiyama, Kazushi
dc.contributor.coauthorNakamura, Yuichi
dc.contributor.coauthorInoue, Mitsuteru
dc.contributor.coauthorGoto, Taichi
dc.contributor.departmentDepartment of Electrical and Electronics Engineering
dc.contributor.facultymemberYes
dc.contributor.kuauthorOnbaşlı, Mehmet Cengiz
dc.contributor.schoolcollegeinstituteCollege of Engineering
dc.date.accessioned2025-12-31T08:21:05Z
dc.date.available2025-12-31
dc.date.issued2025
dc.description.abstractMeasurement of exchange stiffness constants (ESCs) is crucial for describing magnetization phenomena. Large-scale micromagnetic simulations (MMSs) are used to determine the ESC of iron garnet thin films exhibiting perpendicular magnetic anisotropy. The ESC determined by fitting the calculated domain periodicity with experimental data acquired through a polarized microscope is comparable to previously reported values. In addition, the simulations showed mixed-configuration domain wall (DW) structure with a large N & eacute;el-Bloch DW ratio. This study demonstrates the capability of MMS for evaluating ESCs while providing additional insights into DW physics, offering a facile approach for describing spin dynamics in magnetic garnets.
dc.description.fulltextNo
dc.description.harvestedfromManual
dc.description.indexedbyWOS
dc.description.indexedbyScopus
dc.description.openaccesshybrid
dc.description.peerreviewstatusN/A
dc.description.publisherscopeInternational
dc.description.readpublishN/A
dc.description.sponsoredbyTubitakEuTÜBİTAK
dc.description.sponsorshipJapan Society for the Promotion of Science10.13039/501100001691 [23H01439, 23K17758]; JSPS KAKENHI [JPJSBP120249401]; JSPS Bilateral Joint Research [23200047]; NEDO; Amada Foundation [JPMJSP2114]; JST SPRING [948063]; ERC [223N037, hp240340]; TUBITAK Bilateral Collaboration Grant
dc.description.studentonlypublicationNo
dc.description.studentpublicationNo
dc.description.versionN/A
dc.identifier.doi10.1063/5.0283742
dc.identifier.eissn1077-3118
dc.identifier.embargoNo
dc.identifier.filenameinventorynoIR06700
dc.identifier.issn0003-6951
dc.identifier.issue10
dc.identifier.quartileBakılacak
dc.identifier.scopus2-s2.0-105015462168
dc.identifier.urihttps://doi.org/10.1063/5.0283742
dc.identifier.urihttps://hdl.handle.net/20.500.14288/31565
dc.identifier.volume127
dc.identifier.wos001569179000001
dc.language.isoeng
dc.publisherAIP Publishing
dc.relation.affiliationKoç University
dc.relation.collectionKoç University Institutional Repository
dc.relation.ispartofApplied Physics Letters
dc.relation.openaccessNo
dc.rightsCopyrighted
dc.subjectPhysics
dc.titleEvaluation of exchange stiffness constant in iron garnet film using micromagnetic simulation
dc.typeJournal Article
dspace.entity.typePublication
relation.isOrgUnitOfPublication21598063-a7c5-420d-91ba-0cc9b2db0ea0
relation.isOrgUnitOfPublication.latestForDiscovery21598063-a7c5-420d-91ba-0cc9b2db0ea0
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