Please use this identifier to cite or link to this item: https://hdl.handle.net/10356/140316
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dc.contributor.authorKumar, Durgeshen_US
dc.contributor.authorGupta, Surbhien_US
dc.contributor.authorJin, Tianlien_US
dc.contributor.authorRazia Nongjaien_US
dc.contributor.authorAsokan, Kandasamien_US
dc.contributor.authorPiramanayagam, S. N.en_US
dc.date.accessioned2020-05-28T02:48:35Z-
dc.date.available2020-05-28T02:48:35Z-
dc.date.issued2017-
dc.identifier.citationKumar, D., Gupta, S., Jin, T., Razia Nongjai, Asokan, K., & Piramanayagam, S. N. (2018). Modification of structural and magnetic properties of masked Co-Pt films induced by high-energy ion implantation. IEEE Magnetics Letters, 9, 4500305-. doi:10.1109/LMAG.2017.2768324en_US
dc.identifier.issn1949-307Xen_US
dc.identifier.urihttps://hdl.handle.net/10356/140316-
dc.description.abstractMagnetic and structural properties of Co80Pt20 films were modified by controlled ion implantation through a dot-patterned mask for possible application in the mass production of patterned recording media. The dot patterns were fabricated using self-assembly of di-block copolymers. The effects of 14N+ and 40Ar+ ion implantation at energies as high as 40 and 100 keV, respectively, were studied. Although both ions cause changes in the structural and magnetic properties, 40 Ar+ ion implantation leads to more significant changes. The structural changes, predicted using simulations and experimentally observed using X-ray diffraction, indicate a mixing of Co into the layers below, leading to layers richer in Pt at the top. Magnetic force microscopy measurements show an increase in domain width and domain wall thickness as a function of ion fluences. The results are analyzed with measurements of magnetic anisotropy constant and micromagnetic simulations.en_US
dc.description.sponsorshipMOE (Min. of Education, S’pore)en_US
dc.language.isoenen_US
dc.relation.ispartofIEEE Magnetics Lettersen_US
dc.rights© 2017 IEEE. All rights reserved.en_US
dc.subjectScience::Physicsen_US
dc.titleModification of structural and magnetic properties of masked Co-Pt films induced by high-energy ion implantationen_US
dc.typeJournal Articleen
dc.contributor.schoolSchool of Physical and Mathematical Sciencesen_US
dc.identifier.doi10.1109/LMAG.2017.2768324-
dc.identifier.scopus2-s2.0-85032740076-
dc.identifier.volume9en_US
dc.subject.keywordsInformation Storageen_US
dc.subject.keywordsNanomagneticsen_US
item.fulltextNo Fulltext-
item.grantfulltextnone-
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