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Synthesis and room temperature four-state memory prototype of Sr3Co2Fe24O41 multiferroics
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Image of FIG. 1.
FIG. 1.

Measured XRD pattern of the as-prepared Sr3Co2Fe24O41 and calculated pattern by Rietveld refinement based on the structure model ofZ-type hexagonal ferrite Sr3Co2Fe24O41 with space group of P63 /mmc.

Image of FIG. 2.
FIG. 2.

(a) Polarization (P) versus electric field (E) hysteresis loop of Sr3Co2Fe24O41 displayed at 300 K. (b) I-V curve of Sr3Co2Fe24O41 displayed at 300 K. (c) Magnetization (M) versus magnetic field (H) curve for Sr3Co2Fe24O41 measured at 300 K. The inset shows the details of the M-H hysteresis loop displayed at a field of ±100 Oe.

Image of FIG. 3.
FIG. 3.

(a) Magnetoelectric coefficient(αE ) versus external field (H) curve of FSM prototype. Black line is the curve after positive electrical polarization. Green line is the curve after negative electrical polarization. Hb (red line) is a bias read magnetic field. (b) Schematic diagram of the four original physical states of FSM prototype. (c) Schematic diagram of four physical states of the FSM prototype after applying the bias magnetic field. M represents the magnetic polarization and P represents electrical polarization.


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Table I.

Voltage output of the pellet on external bias magnetic field of 10 Oe.


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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Synthesis and room temperature four-state memory prototype of Sr3Co2Fe24O41 multiferroics