Multiferroic properties of Bi1−xDyxFeO3(x = 0–0.2) ceramics at various temperatures
作者： Chen Sun , Yiping Wang , Ying Yang , Guoliang Yuan , Jiang Yin
DOI: 10.1016/J.MATLET.2011.12.119
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摘要: Abstract Insulated Bi 1 − x Dy FeO 3 ( = 0–0.2) were prepared to study their multiferroic properties at various temperatures. = 0–0.08) shows rhombohedral phase, ferroelectric polarization of > 18 μC/cm 2 , and piezoelectric d 33 value > 35 pC/N room temperature. After the polarized ceramics annealed high temperatures, changes suggest that component exists below 700 °C. There are phase PZT-like anti-polar orthorhombic together in = 0.11–0.17), although only contributes which decreases with concentration this two-phase coexistence region. Finally, = 0.2) transforms non-polar according structural electric measurements.
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