Journal
FERROELECTRICS
Volume 403, Issue -, Pages 54-59Publisher
TAYLOR & FRANCIS LTD
DOI: 10.1080/00150191003750861
Keywords
Antiferroelectric ceramics; dielectric properties; phase transition
Funding
- National Natural Science Foundation of China [10874130]
- Chinese Ministry of Education [108055]
- Shanghai Pujiang Program
- State Key Laboratory of Electronic Thin Films and Integrated Devices (UESTC)
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The effect of different barium contents on dielectric properties and phase transitions in lead lanthanum zirconate stannate titanate ceramics was studied. X-ray diffraction showed that all samples were tetragonal phase at room temperature. With Ba2+ content increasing from 0.08 to 0.10, the Curie temperature decreased from 87 degrees C to 54 degrees C. The forward switching field EAF of the electric-field induced antiferroelectric to ferroelectric phase transition decreased from 19kV/cm to 13kV/cm, and the backward switching field EFA of ferroelectric recover to antiferroelectric phase decreased from 11kV/cm to 10kV/cm. The hysteresis of E (E = EAFEFA) also decreased from 8kV/cm to 3kV/cm.
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