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Reconfigurable ground states in connected double-dot system
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10.1063/1.4790144
/content/aip/journal/apl/102/5/10.1063/1.4790144
http://aip.metastore.ingenta.com/content/aip/journal/apl/102/5/10.1063/1.4790144
View: Figures

Figures

Image of FIG. 1.
FIG. 1.

Absorption amplitude measured as a function of increasing (PLow to PHigh ) and decreasing (PHigh to PLow ) excitation power at fixed initialization frequencies of (a) 215 and (b) 260 MHz. Atomic force microscopy image of the connected double-dot system is shown as inset in (a).

Image of FIG. 2.
FIG. 2.

The frequency spectra obtained at PLow after the initialization process for a range of IFs from 200 to 350 MHz are shown as color plots in (a). Micromagnetically simulated time evolution of magnetization (b) MX and MY , and (c) total energy of the system as a function of varying rf-field from 1 to 21 Oe and back to 1 Oe at fixed IF of 260 MHz.

Image of FIG. 3.
FIG. 3.

extracted from the hysteresis plots measured at various IFs for two initialized ground state configurations of (round dots) and +1 (square dots) is shown in (a). (b) Shows a phase diagram for selection of a specific polarity combination as a function of excitation frequency and amplitude.

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/content/aip/journal/apl/102/5/10.1063/1.4790144
2013-02-04
2014-04-17
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Reconfigurable ground states in connected double-dot system
http://aip.metastore.ingenta.com/content/aip/journal/apl/102/5/10.1063/1.4790144
10.1063/1.4790144
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