Abstract
High quality Bi1− x Dy x FeO3 (0 ≤ x ≤ 0.15) ceramics have been fabricated by sintering Dy-doped BiFeO3 (BFO) precursor powders at a low temperature of 780 °C. The magnetic properties of BFO were improved by the introduction of Dy on the Bi-site. More importantly, well saturated ferroelectric hysteresis loops and polarization switching currents have been observed at room temperature. A large remnant polarization (2P r) value of 62 μC/cm2 is achieved, which is the highest value reported so far for rare-earth-doped BFO ceramics. Moreover, mechanisms for improved multiferroic properties depending on chemical doping-caused structure evolutions have also been discussed.
Original language | English (US) |
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Pages (from-to) | 074105 |
Journal | Journal of Applied Physics |
Volume | 111 |
Issue number | 7 |
DOIs | |
State | Published - Apr 8 2012 |
ASJC Scopus subject areas
- General Physics and Astronomy