采用溶胶-凝胶与热压相结合的方法制备了镍掺杂Ca3Co4O9+δ基热电陶瓷, 研究了镍掺杂量对其显微结构和电输运性能的影响。结果表明:随着镍掺杂量的增加, Ca3Co4O9+δ基陶瓷的晶粒尺寸减小、织构含量降低、取向度下降; 镍掺杂后使陶瓷晶界散射增强, 导致电阻率和泽贝克系数增大, 而功率因子降低, 说明镍掺杂降低了该陶瓷的电输运性能。
所属栏目
试验研究国家自然科学基金资助项目(51302055); 黑龙江省自然科学基金资助项目(QC2011C026); 黑龙江省教育厅项目(12541229); 哈尔滨市科技创新人才项目(2013RFQXJ135); 哈尔滨师范大学研究生创新基金(HSDSSCX2015-20)
收稿日期
2015/11/242016/5/4
作者单位
马人佺:哈尔滨师范大学物理与电子工程学院, 哈尔滨 150025
曲秀荣:哈尔滨师范大学物理与电子工程学院, 哈尔滨 150025
吕树臣:哈尔滨师范大学物理与电子工程学院, 哈尔滨 150025
徐岩岩:哈尔滨师范大学物理与电子工程学院, 哈尔滨 150025
崔乃庚:哈尔滨师范大学物理与电子工程学院, 哈尔滨 150025
备注
马人佺(1989-), 女, 黑龙江鸡西人, 硕士研究生。
引用该论文:
MA Ren-quan,QU Xiu-rong,LV Shu-chen,XU Yan-yan,CUI Nai-geng.Effects of Ni-doping on Microstructure and Electric Transport Properties of Ca3Co4O9+δ Based Ceramics[J].Materials for mechancial engineering,2016,40(6):24～27
马人佺,曲秀荣,吕树臣,徐岩岩,崔乃庚.镍掺杂对Ca3Co4O9+δ基陶瓷显微结构和电输运性能的影响[J].机械工程材料,2016,40(6):24～27
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