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Domain wall assisted magnetic recording
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10.1063/1.2335590
/content/aip/journal/apl/89/6/10.1063/1.2335590
http://aip.metastore.ingenta.com/content/aip/journal/apl/89/6/10.1063/1.2335590
View: Figures

Figures

Image of FIG. 1.
FIG. 1.

(Color online) loop and magnetization configuration for a hard/soft composite film. The arrows are drawn for every second atomic spin. Distance between spin planes . Thickness: . Saturation magnetization: . Anisotropy field: , . Exchange stiffness: . Exchange energy density at the interface is the same as in bulk, .

Image of FIG. 2.
FIG. 2.

(Color online) Switching field vs soft layer thickness for the exchange spring and two-spin models. , , other parameters are the same as in Fig. 1. In the two-spin approximation, the interlayer exchange coupling is optimized to provide the lowest switching field. Inset: loops for various soft layer thicknesses.

Image of FIG. 3.
FIG. 3.

(Color online) Switching field dependence on the soft layer anisotropy. , ; ; ; .

Image of FIG. 4.
FIG. 4.

(Color online) Maximum hard layer anisotropy field that can be switched by the fixed applied field of as a function of the hard layer exchange stiffness . , ; ; ; .

Image of FIG. 5.
FIG. 5.

(Color online) Optimized DWAMR energy barrier gain (see text for optimization details). ; ; ; ; . Dashed lines: gain calculated within the two-spin approximation, for (gain 1.7) and 5 (gain 1.9).

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/content/aip/journal/apl/89/6/10.1063/1.2335590
2006-08-11
2014-04-23
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Domain wall assisted magnetic recording
http://aip.metastore.ingenta.com/content/aip/journal/apl/89/6/10.1063/1.2335590
10.1063/1.2335590
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