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Magnetic anisotropy of FePt: Effect of lattice distortion and chemical disorder
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10.1063/1.3644478
/content/aip/journal/apl/99/13/10.1063/1.3644478
http://aip.metastore.ingenta.com/content/aip/journal/apl/99/13/10.1063/1.3644478

Figures

Image of FIG. 1.
FIG. 1.

(Color online) Crosses (solid line): calculated MAE per formula unit for each of the FePt samples in Table I modelled as perfectly ordered alloys. Circles (dashed line): the same values scaled down by a factor of 0.6 in order to account for temperature induced effects. Stars (dotted line): the experimental values.

Image of FIG. 2.
FIG. 2.

(Color online) Crosses (solid line): calculated MAE per formula unit for each of the FePt samples in Table I modelled as partially disordered alloys with the degree of disorder given by the experiment. Circles (dashed line): the same values scaled down by a factor of 0.6 in order to account for temperature induced effects. Stars (dotted line): the experimental values.

Image of FIG. 3.
FIG. 3.

(Color online) MAE calculated as a function of chemical order parameter, s, for the FePt samples: 1 +, 2 *, 3 ×, 4 , 5 • (i.e., each solid line corresponds to a particular lattice distortion). Open circles are placed at the best-fit chemical order parameter for each of the samples. Dashed line: linear fit.

Tables

Generic image for table
Table I.

Summary of experimental results by Ding et al. (Ref. 3). Lattice parameters, a and c; chemical order parameter, s; magnetocrystalline anisotropy energy per formula unit, K; and diffraction intensity ratio, I(001)/I(002).

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/content/aip/journal/apl/99/13/10.1063/1.3644478
2011-09-26
2014-04-20
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Magnetic anisotropy of FePt: Effect of lattice distortion and chemical disorder
http://aip.metastore.ingenta.com/content/aip/journal/apl/99/13/10.1063/1.3644478
10.1063/1.3644478
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