Journal
JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS
Volume 303, Issue 2, Pages E201-E204Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.jmmm.2006.01.083
Keywords
FeCo films; Magnetic underlayer; High saturation magnetization; Soft magnetic properties
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Bilayered Fe65Co35 (= FeCo)/Co films were prepared by facing targets sputtering with 4 pi M-s similar to 24 kg. The soft magnetic properties of FeCo films were induced by a Co underlayer. H-c decreased rapidly when the Co underlayer was 2 nm or more. The films showed welldefined in- plane uniaxial anisotropy with the typical values of H-ce = 10 Oe and H-ch = 3 Oe, respectively. High frequency characteristics of the films show the films can work at 0.8GHz with real permeability as high as 250. (C) 2006 Elsevier B.V. All rights reserved.
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