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Identifying reversible and irreversible magnetization changes in prototype patterned media using first- and second-order reversal curves
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10.1063/1.2837888
/content/aip/journal/jap/103/7/10.1063/1.2837888
http://aip.metastore.ingenta.com/content/aip/journal/jap/103/7/10.1063/1.2837888
View: Figures

Figures

Image of FIG. 1.
FIG. 1.

(a) A set of 125 ascending FORCs for the Fe nanodot sample, field spacing . The origin of each FORC is marked by a black dot. (b) Magnetization changes along descending-field branch of the major loop decomposed into reversible (gray) and irreversible (black) component using Eqs. (1) and (2). (c). Reconstructed reversible (gray) and irreversible (black) part of the major loop; ascending branch obtained by applying inversion operation to descending branch. (d) FORC function in units of , computed with a smoothing factor of 3. Regions where are enclosed by dotted contour lines.

Image of FIG. 2.
FIG. 2.

(a) A set of descending SORCs, , branching off an ascending FORC with . The origin of each SORC at is marked by a black dot, tracing out the FORC. (b) Irreversible (black solid) and reversible (black dashed) magnetization changes obtained by applying Eqs. (3) and (4) to the SORC data sets, in comparison with the total magnetization change (gray line) along the corresponding FORC originating at .

Image of FIG. 3.
FIG. 3.

(a) Irreversible and (b) reversible magnetization changes along selected FORCs with (+), (▿), (○), and (◇), in function of the second reversal field . Only every fifth data point is marked with a plot symbol. The slopes for the major loop from Fig. 1(b) (black line without plot symbols) are included in each figure for comparison.

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/content/aip/journal/jap/103/7/10.1063/1.2837888
2008-03-11
2014-04-17
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Identifying reversible and irreversible magnetization changes in prototype patterned media using first- and second-order reversal curves
http://aip.metastore.ingenta.com/content/aip/journal/jap/103/7/10.1063/1.2837888
10.1063/1.2837888
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