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Soft layer driven switching of microwave-assisted magnetic recording on segmented perpendicular media
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10.1063/1.3695378
/content/aip/journal/jap/111/6/10.1063/1.3695378
http://aip.metastore.ingenta.com/content/aip/journal/jap/111/6/10.1063/1.3695378
View: Figures

Figures

Image of FIG. 1.
FIG. 1.

Schematic diagram of SPM used in this work. The inter-segment exchange coupling, A*, between the segments are identical.

Image of FIG. 2.
FIG. 2.

(Color online) Calculated Hsw as a function of normalized frequency for MAMR with sinusoidal microwaves. The A* of SPM is varied within the range of 0.1–0.9 erg/cm.

Image of FIG. 3.
FIG. 3.

(Color online) Calculated Hsw as a function of normalized frequency for MAMR with finite bandwidth square microwaves. The A* of SPM is varied within the range of 0.1–0.9 erg/cm. Note that there are slight differences in the calculated Hsw and assisted frequencies as compared to MAMR with sinusoidal microwaves.

Image of FIG. 4.
FIG. 4.

(Color online) The top three graphs with filled symbols refer to the minimum Hsw (left axis) as a function of A* for SPM for three cases: (1) with sinusoidal microwaves, (2) with finite bandwidth square microwaves, and (3) in the absence of all microwaves. The bottom two graphs with unfilled symbols refer to the assisted frequencies of microwaves (right axis) as a function of A* for MAMR on SPM.

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/content/aip/journal/jap/111/6/10.1063/1.3695378
2012-03-19
2014-04-19
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Soft layer driven switching of microwave-assisted magnetic recording on segmented perpendicular media
http://aip.metastore.ingenta.com/content/aip/journal/jap/111/6/10.1063/1.3695378
10.1063/1.3695378
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