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Room-temperature magnetoelectric coupling in single-phase BaTiO3-BiFeO3 system
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View: Figures


Image of FIG. 1.
FIG. 1.

X-ray diffraction pattern for BT–xBFO ceramics (a) with x = 0.025 – 1.0 and (b) with x = 0.710 – 0.775 and 1.0, (c) lattice parameter and rhombohedral distortion angle and (d) volume of unit cell for BT–xBFO ceramics with x = 0.710 – 0.775 and 1.0.

Image of FIG. 2.
FIG. 2.

Variation of magnetoelectric, piezoelectric, and dielectric properties as a function of BFO mole fraction for BT–xBFO ceramics with x = 0.025 – 1.0; (a) DME coefficient (α DME), (b) phase change of α DME, (c) poling percent, (d) piezoelectric voltage constant (g 33), (e) piezoelectric charge constant (d 33), (f) radial mode electromechanical coupling factor (k p), (g) dielectric constant, (ε) and (h) tangent loss factor (tan δ).

Image of FIG. 3.
FIG. 3.

(a) PDFs analysis, (b) room-temperature P – E curves, and (c) room-temperature M – H curves as a function of BFO mole fraction.

Image of FIG. 4.
FIG. 4.

(a) DME coefficient (α DME) and(b) CME coefficient (α CME) for BT–0.725BFO/Ni laminates as a function of H bias. Insets are schematic diagrams of DME and CME samples and expanded views of α MEH bias hysteresis to clearly show the remnant α DME and α CME at zero Hbias .


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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Room-temperature magnetoelectric coupling in single-phase BaTiO3-BiFeO3 system