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Deposition rate effect on microstructure and perpendicular magnetic anisotropy of iron films prepared by ion-beam-assisted deposition

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dc.contributor.author Lyadov N.
dc.contributor.author Vagizov F.
dc.contributor.author Vakhitov I.
dc.contributor.author Gumarov A.
dc.contributor.author Ibragimov S.
dc.contributor.author Kuzina D.
dc.contributor.author Faizrakhmanov I.
dc.contributor.author Khaibullin R.
dc.contributor.author Shustov V.
dc.date.accessioned 2020-01-21T20:35:30Z
dc.date.available 2020-01-21T20:35:30Z
dc.date.issued 2019
dc.identifier.issn 0042-207X
dc.identifier.uri https://dspace.kpfu.ru/xmlui/handle/net/157442
dc.description.abstract © 2019 Elsevier Ltd Thin films of iron with different thickness (⁓40–300 nm) were deposited on quartz and silicon substrates by using ion beam assisted deposition (IBAD) technique. The influence of film thickness and deposition rate on microstructure, magnetic phase composition and perpendicular magnetic anisotropy (PMA) of iron films were studied by electron microscopy, X-ray diffraction, Mössbauer spectroscopy, vibrating-sample magnetometry and differential thermomagnetic analysis. Shown, that phase composition and magnetic properties of films depend substantially on the deposition rate, and, in fact, don't depend on both film thickness and the type of substrate. The strong PMA is observed in iron films formed at low (~3 nm/min) and medium (~10 nm/min) deposition rates only. The microstructure is characterized by the presence of nanocrystalline grains of α-Fe phase, as well as a significant fraction of disordered iron phase and nonmagnetic oxide phase of FeO (up to 20%). The FeO phase occurs due to the reaction of iron atoms with the residual atmosphere of the vacuum chamber. Moreover, significant positive deformation (about 3%) of crystal lattice of α-Fe grains was observed. The effect of deposition rate on the crystallinity, phase composition and PMA in thin iron films we associate with the features of the IBAD process.
dc.relation.ispartofseries Vacuum
dc.subject Disordered and nanocrystalline structure
dc.subject Ion-beam-assisted deposition
dc.subject Iron films
dc.subject Magnetic anisotropy
dc.title Deposition rate effect on microstructure and perpendicular magnetic anisotropy of iron films prepared by ion-beam-assisted deposition
dc.type Article
dc.relation.ispartofseries-volume 168
dc.collection Публикации сотрудников КФУ
dc.source.id SCOPUS0042207X-2019-168-SID85070310063


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  • Публикации сотрудников КФУ Scopus [24551]
    Коллекция содержит публикации сотрудников Казанского федерального (до 2010 года Казанского государственного) университета, проиндексированные в БД Scopus, начиная с 1970г.

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