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Microscopic origin of perpendicular magnetic anisotropy in amorphous Nd-Co homogeneous and compositionally modulated, thin films studied by XMCD

AuthorsCid, Rosalía ; Díaz, Javier; Álvarez-Prado, L. M. ; Alameda, J. M.
Issue Date2010
PublisherInstitute of Physics Publishing
CitationJournal of Physics: Conference Series 200(7): 072017 (2010)
AbstractAmorphous Nd-Co films deposited by DC-magnetron sputtering presented perpendicular magnetic anisotropy (PMA) with energies, KN, of the order of 106 erg/cc at RT. To understand the origin of their PMA, we measured the orbital and spin magnetic moments in Co and Nd by XMCD at the Co L3,2 and Nd M5,4 edges in two kinds of samples of similar thickness (30 nm) and composition: one compositionally modulated Nd/Co film (CM) with strong PMA (KN ~107 erg/cc at 10 K) and a homogenous alloy (A) with not strong enough PMA to see stripe domains for such thickness. The XMCD analysis evidenced the significant role of Nd in the PMA of these films.
Description4 páginas, 2 figuras.-- et al.
Publisher version (URL)http://dx.doi.org/10.1088/1742-6596/200/7/072017
Appears in Collections:(CINN) Artículos
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