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Magnetoelectric coupling in Tb0.3Dy0.7Fe2/Pt/PbZr0.56Ti0.44O3 thin films deposited on Pt/TiO2/SiO2/Si substrate
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10.1063/1.4775764
/content/aip/journal/apl/102/2/10.1063/1.4775764
http://aip.metastore.ingenta.com/content/aip/journal/apl/102/2/10.1063/1.4775764
View: Figures

Figures

Image of FIG. 1.
FIG. 1.

Top Cross sectional schematic drawing of the device as prepared by UV photolithography. Bottom: front view of a Terfenol-D/Pt/PZT/Pt device, the larger square corresponds to the gold pad for wire bonding, and the smaller square is the active device. Electrical measurements were recorded between pad 1 and pad 3 for the ME device, and between pad 1 and pad 2 for the Pt/PZT/Pt stack.

Image of FIG. 2.
FIG. 2.

Magnetization loops of Terfenol-D thin films grown on Pt/Si and annealed at 300 °C and 500 °C.

Image of FIG. 3.
FIG. 3.

Ferroelectric loops of the Pt/PZT/Pt stacks: before (a) and after (b) annealing of the device at 300 °C in air; Ferroelectric loops of the Terfenol-D/Pt/PZT/Pt stacks before (c) and after annealing of the device at 300 °C (d), at 400 °C (e),and at 450 °C (f).

Image of FIG. 4.
FIG. 4.

XRD patterns of the device before and after annealing at 300 °C. The Pt and PZT layers are strongly (111) textured.

Image of FIG. 5.
FIG. 5.

Normalized capacitance (at room temperature) as a function of dc magnetic field of the Terfenol-D/Pt/PZT/Pt device (diamonds) and of the Pt/PZT/Pt stacking (triangles). Relative permittivity was 810 for the Terfenol-D/PZT stack and 845 for the Pt/PZT/Pt stack.

Image of FIG. 6.
FIG. 6.

Direct ME coefficient αΗ ME of the device as a function of dc magnetic field. The measurements were made at room temperature under 100 Hz ac magnetic field of 25 Oe.

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/content/aip/journal/apl/102/2/10.1063/1.4775764
2013-01-15
2014-04-18
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Magnetoelectric coupling in Tb0.3Dy0.7Fe2/Pt/PbZr0.56Ti0.44O3 thin films deposited on Pt/TiO2/SiO2/Si substrate
http://aip.metastore.ingenta.com/content/aip/journal/apl/102/2/10.1063/1.4775764
10.1063/1.4775764
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