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The origin of (001) texture evolution in FePt thin films on amorphous substrates
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10.1063/1.2176088
/content/aip/journal/jap/99/5/10.1063/1.2176088
http://aip.metastore.ingenta.com/content/aip/journal/jap/99/5/10.1063/1.2176088

Figures

Image of FIG. 1.
FIG. 1.

Illustration of the procedure for the calculation of joint effect of (a) transformation strain and (b) in-plane strain.

Image of FIG. 2.
FIG. 2.

Assumptions made for the relaxation of crystals into the surface normal direction during the biaxial in-plane strain. (a) Poisson’s ratio of 0.33 (b) a plane-stress condition

Image of FIG. 3.
FIG. 3.

XRD patterns of FePt alloy films on various substrates, (111), (011), and (001). The thickness of as-deposited films is . All films were postannealed at for with RTA.

Image of FIG. 4.
FIG. 4.

Surface morphologies of FePt thin films on (a) (111), (b) (001), and (c) (011) substrates.

Image of FIG. 5.
FIG. 5.

The shape of cubic crystals covered with (111) and (001) surface planes (a) with no external limitation for growth and (b) with a limited growth into a [111] direction.

Image of FIG. 6.
FIG. 6.

Calculated strain energy of ordered FePt crystals with various orientations as a function of biaxial in-plane strains under relaxations into the surface normal direction according to (a) the Poisson’s ratio and (b) a plane-stress condition. Each index indicates the crystallographic orientation normal to the film surface.

Image of FIG. 7.
FIG. 7.

Calculated strain energy of ordered FePt crystals with order/disorder transformation strain and biaxial in-plane strains under relaxations into the surface normal direction according to (a) the Poisson’s ratio and (b) a plane-stress condition.

Tables

Generic image for table
Table I.

Calculated surface energy of ordered FePt crystal.

Generic image for table
Table II.

Calculated elastic constants of ordered and disordered fcc crystals ( or ).

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/content/aip/journal/jap/99/5/10.1063/1.2176088
2006-03-06
2014-04-25
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: The origin of (001) texture evolution in FePt thin films on amorphous substrates
http://aip.metastore.ingenta.com/content/aip/journal/jap/99/5/10.1063/1.2176088
10.1063/1.2176088
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