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Title: Interfacial tuning of perpendicular magnetic anisotropy and spin magnetic moment in CoFe/Pd multilayers
Authors: Ngo, D.-T.
Meng, Z.L.
Tahmasebi, T.
Yu, X. 
Thoeng, E.
Yeo, L.H.
Rusydi, A. 
Han, G.C. 
Teo, K.-L. 
Keywords: Interfacial magnetism
Magnetic domains and domain walls
Magnetic multilayers
Perpendicular magnetic anisotropy
X-ray magnetic circular dischroism
Issue Date: 2014
Citation: Ngo, D.-T., Meng, Z.L., Tahmasebi, T., Yu, X., Thoeng, E., Yeo, L.H., Rusydi, A., Han, G.C., Teo, K.-L. (2014). Interfacial tuning of perpendicular magnetic anisotropy and spin magnetic moment in CoFe/Pd multilayers. Journal of Magnetism and Magnetic Materials 350 : 42-46. ScholarBank@NUS Repository.
Abstract: We report on a strong perpendicular magnetic anisotropy in [CoFe 0.4 nm/Pd t]6 (t=1.0-2.0 nm) multilayers fabricated by DC sputtering in an ultrahigh vacuum chamber. Saturation magnetization, Ms, and uniaxial anisotropy, Ku, of the multilayers decrease with increasing the spacing thickness; with a Ms of 155 emu/cc and a Ku of 1.14×105 J/m3 at a spacing thickness of t=2 nm. X-ray absorption spectroscopy and X-ray magnetic circular dichroism measurements reveal that spin and orbital magnetic moments of Co and Fe in CoFe film decrease as a function of Pd thickness, indicating the major contribution of surface/interfacial magnetism to the magnetic properties of the film. Copyright © 2013 Published by Elsevier B.V. All rights reserved.
Source Title: Journal of Magnetism and Magnetic Materials
ISSN: 03048853
DOI: 10.1016/j.jmmm.2013.08.063
Appears in Collections:Staff Publications

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