| Bi过量和Mn掺杂的钛酸铋钠基无铅压电陶瓷 |
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| 引用本文： | 杜鹃,王矜奉,赵明磊,陈洪存,梁兴华,盖志刚,苏文斌,臧国忠.Bi过量和Mn掺杂的钛酸铋钠基无铅压电陶瓷[J].电子元件与材料,2006,25(4):1-3. |
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| 作者姓名： | 杜鹃 王矜奉 赵明磊 陈洪存 梁兴华 盖志刚 苏文斌 臧国忠 |
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| 作者单位： | 山东大学物理与微电子学院,山东,济南,250100 |
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| 基金项目： | 中国科学院资助项目;山东省自然科学基金 |
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| 摘 要： | 采用传统电子陶瓷制备工艺制备(1–y)(Na0.5Bi0.5)TiO3-yBa(ZrxTi1–x)O3无铅压电陶瓷,获得了d33高达185pC/N的0.94(Na0.5Bi0.5)TiO3-0.06Ba(Zr0.055Ti0.945)O3压电陶瓷。对Bi的挥发进行了补偿,添加过量Bi2O3(摩尔分数z=0.08)的钛酸铋钠基压电陶瓷,d33高达218pC/N。研究了Mn掺杂对钛酸铋钠基陶瓷压电、介电性能和损耗的影响,获得了高性能的无铅压电陶瓷,其中d33为214pC/N,kt为0.44,k33为0.52。
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| 关 键 词： | 无机非金属材料 无铅压电陶瓷 掺杂 压电常数 机电耦合系数 |
| 文章编号： | 1001-2028（2006）04-0001-03 |
| 收稿时间： | 2005-11-07 |
| 修稿时间： | 2005年11月7日 |
Mn-doped Lead-free Piezoelectric (Na, Bi)TiO3 Based Ceramics Compensated with Extra Bi |
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| DU Juan,WANG Jin-feng,ZHANG Ming-lei,CHEN Hong-cun,LIANG Xing-hua,GAI Zhi-gang,SU Wen-bin,ZANG Guo-zhong.Mn-doped Lead-free Piezoelectric (Na, Bi)TiO3 Based Ceramics Compensated with Extra Bi[J].Electronic Components & Materials,2006,25(4):1-3. |
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| Authors: | DU Juan WANG Jin-feng ZHANG Ming-lei CHEN Hong-cun LIANG Xing-hua GAI Zhi-gang SU Wen-bin ZANG Guo-zhong |
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| Affiliation: | School of Physics and Mieroelectronies, Shandong University, Jinan 250100, China |
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| Abstract: | Lead-free piezoelectric ceramics(1-y)(Na0.5Bi0.5)TiO3-yBa(ZrxTi1-x)O3 were fabricated using the conventional ceramics technique.The composition 0.94(Na0.5Bi0.5)TiO3-0.06Ba(Zr0.55Ti0.945)O3 is obtained with d33 as high as 185 pC/N.By means of compensating the volatilization of Bi2O3,(Na,Bi)TiO3 based ceramics doped with extra 0.08%(mole fraction)Bi2O3 can be obtained with d33 as high as 195 pC/N.The effects of doping Mn on the piezoelectric,dielectric constant and dielectric loss are investigated,and the acquired(Na,Bi)TiO3 based lead-free piezoelectric ceramics have optimal properties:d33=214 pC/N,kt = 0.44,k33 = 0.52. |
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| Keywords: | inorganic non-metallic materials lead-free piezoelectric ceramics doping piezoelectric constant electromeehanieal coupling factors |
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