| 退火处理对0.5PZN-0.5PZT陶瓷弛豫性的影响 |
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| 引用本文： | 赵路阳,侯育冬,朱满康,王超,严辉. 退火处理对0.5PZN-0.5PZT陶瓷弛豫性的影响[J]. 压电与声光, 2010, 32(1) |
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| 作者姓名： | 赵路阳 侯育冬 朱满康 王超 严辉 |
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| 作者单位： | 北京工业大学,材料科学与工程学院,北京,100124 |
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| 基金项目： | 国家自然科学基金资助项目，北京市属高等学校人才强教计划基金资助项目 |
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| 摘 要： | 采用常规陶瓷工艺制备了Pb(Zn_(1/3)Nb_(2/3))_(0.5)(Zr_(0.5)Ti_(0.5))_(0.5)O_3 (0.5PZN-0.5PZT)铁电陶瓷,并在氧气氛下进行退火.运用XRD、直流电导率和介电温度谱测试氧气氛退火前后陶瓷相结构与电性能的变化,并对弛豫性与微结构的关系进行探讨.结果表明,氧气氛退火可有效补偿体系中的氧空位,降低四方相含量,材料的弛豫性显著增强.
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| 关 键 词： | 铁电 退火处理 弛豫性 氧空位 |
Effect of Thermal Annealing on the Relaxation of 0.5PZN-0.5PZT Ceramics |
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| ZHAO Lu-yang,HOU Yu-dong,ZHU Man-kang,WANG Chao,YAN Hui. Effect of Thermal Annealing on the Relaxation of 0.5PZN-0.5PZT Ceramics[J]. Piezoelectrics & Acoustooptics, 2010, 32(1) |
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| Authors: | ZHAO Lu-yang HOU Yu-dong ZHU Man-kang WANG Chao YAN Hui |
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| Affiliation: | ZHAO Lu-yang,HOU Yu-dong,ZHU Man-kang,WANG Chao,YAN Hui (College of Materials Science , Engineering,Beijing University of Technology,Beijing 100124,China) |
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| Abstract: | Pb(Zn_(1/3) Nb_(2/3))_(0.5)(Zr_(0.5) Ti_(0.5))_(0.5) O_3(0.5PZN-0.5PZT) ferroelectrics were prepared by conventional mixed oxide method.The sintered ceramics were further annealed in oxygen ambient.Phase structure and electric property of specimens before and after thermal annealing had been characterized by X-ray diffraction patterns,DC conductivity and dielectric permittivity as functions of temperature.The relationship of relaxation with microstructure for the sintered and annealed ceramics had been disc... |
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| Keywords: | ferroelectric thermal annealing relaxation oxygen vacancies |
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