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Perpendicular Magnetic Anisotropy in Amorphous Ferromagnetic CoSiB/Pt Multilayers

Title
Perpendicular Magnetic Anisotropy in Amorphous Ferromagnetic CoSiB/Pt Multilayers
Author
이승백
Keywords
Perpendicular Magnetic Anisotropy; CoSiB; Magnetic Multilayers; Thin Films; Coercivity
Issue Date
2011-01
Publisher
KOREAN PHYSICAL SOC
Citation
JOURNAL OF THE KOREAN PHYSICAL SOCIETY; JAN 2013, 62 1, pL10-p13, 4p.
Abstract
Magnetic anisotropy properties of amorphous ferromagnetic CoSiB/Pt multilayers with perpendicular magnetic anisotropy (PMA, K(u)) were systematically investigated as a function of CoSiB layer thickness (t(coSiB)) and Pt layer thickness (t(pt)). In two series of t(coSiB) /t(ocsiB)/Pt t(pt)](5) multilayers, the perpendicular coercivity (H(c)) increased to reach a maximum and then decreased with further increase in both t(coSiB) and t(pt), due to intermixing of CoSiB/Pt interfaces. Particularly, using the amorphous soft magnetic CoSiB, the coercivity became very sensitive to the CoSiB thickness. These multilayer films exhibited a high Ku of 2 x 10(6) erg/cc and a high H(c) of 360 Oe with marked squareness. It was found that even after annealing at 350 degrees C, the CoSiB/Pt multilayers had a high PMA and their Hc increased.
URI
http://www.ingentaconnect.com/content/asp/jnn/2011/00000011/00000001/art00161http://repository.hanyang.ac.kr/handle/20.500.11754/72741
ISSN
1533-4880
DOI
10.1166/jnn.2015.11250
Appears in Collections:
COLLEGE OF ENGINEERING[S](공과대학) > ELECTRONIC ENGINEERING(융합전자공학부) > Articles
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