Effects of Li2CO3 on the sintering behavior and piezoelectric properties of Bi2O3-excess (Bi0.5Na0.5)0.94Ba0.06TiO3 ceramics |
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| Authors: | Yanjie ZhangRuiqing Chu Zhijun XuQian Chen Yong LiuGuangchao Zhang |
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| Affiliation: | a College of Materials Science and Engineering, Liaocheng University Renewable Energy and Environment Materials Research Center, Hunan Road 1#, Liaocheng, Shandong 252059, People’s Republic of China
b College of Police Intelligence, Chinese People’s Public Security University, Beijing 100038, People’s Republic of China |
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| Abstract: | (Bi0.5Na0.5)0.94Ba0.06TiO3 ceramics doped with Li2CO3 and Bi2O3 as sintering aids were manufactured, and their micro structural, dielectric and piezoelectric properties were investigated. All specimens could be well sintered at a low-temperature of 1080 °C. The bulk density of the specimens doped with a small amount of Li2CO3 was enhanced. The dielectric and piezoelectric properties of ceramics were investigated with different amounts of Li2CO3 substitutions. High electrical properties of d33 = 167 pC/N, kp = 0.34, Pr = 40 μC/cm2 and Ec = 38 kV/cm were obtained from the specimen containing 0.1 mol% of Li2CO3 sintered at 1080 °C. |
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| Keywords: | Li2CO3+Bi2O3 co-doped Low temperature sintering ceramics Piezoelectric property Ferroelectric property Dielectric property |
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