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Edge atoms effects on the perpendicular anisotropy of ultrathin magnetic layers
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View: Figures


Image of FIG. 1.
FIG. 1.

transients recorded in situ during Co electrodeposition using EC1 (a) varying U for fixed H = 600 Oe or (b) varying H for constant U = −1.33 V.

Image of FIG. 2.
FIG. 2.

(a)–(c) Snapshots of a simulation for site-saturated nucleation and isotropic growth of 8 elliptical grains with and rims with thickness L/40 for L = 320. Black and gray tones denote AS and AP, respectively. (d) The resulting and for one trial.

Image of FIG. 3.
FIG. 3.

(a) and for L = 300 and 16 grains with  = 0.6 and L/60 wide rims employed in the calculations of both and fitting curves shown in panel (c) for the first bilayer (denoted as A) and the subsequently grown third and fourth monolayers (B and C, respectively) of a film grown using EC2 and H = 600 Oe. and of regions B and C differ from those in A by the greater time spans only; we also used , , and . Schematic pictures of the islands' growth modes are shown in (b) where black areas correspond to AP, gray to fcc AS, and white to hcp AS. Panels (d) and (e) present data for films grown in H = 100 and 500 Oe using EC1. Symbols and lines in (c)–(e) represent experiment and model, respectively. The curves in (d) and (e) were simulated employing the parameters used in (c) changing only the time spans and the H value.


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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Edge atoms effects on the perpendicular anisotropy of ultrathin magnetic layers