TITLE

FePt (001) texture development on an Fe–Ta–C magnetic soft underlayer with SiO[sub 2]/MgO as an intermediate layer

AUTHOR(S)
Zhang, Z. G.; Kang, K.; Suzuki, T.
PUB. DATE
September 2003
SOURCE
Applied Physics Letters;9/1/2003, Vol. 83 Issue 9, p1785
SOURCE TYPE
Academic Journal
DOC. TYPE
Article
ABSTRACT
In order to develop the FePt (001) texture on an Fe–Ta–C magnetic soft underlayer (SUL), a combined SiO[sub 2]/MgO intermediate layer is used between the SUL and FePt/MgO laminated recording layer. The function of the amorphous SiO[sub 2] layer is to cut the epitaxial growth relationship between the SUL and recording layer and to establish the MgO (200) texture. The thin FePt layers are epitaxially grown on the MgO layers and transformed into (001)-textured L1[sub 0] FePt films upon annealing. Increasing the surface roughness of the Fe–Ta–C SUL from 0.74 to 2.35 nm does not significantly affect the FePt (001) texture, but has an effect on the FePt grain c-axis dispersion and the FePt L1[sub 0] phase ordering. © 2003 American Institute of Physics.
ACCESSION #
10665021

 

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