| 负热膨胀铁电晶体研究进展 |
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| 引用本文： | 刘文斌,田甜,徐家跃.负热膨胀铁电晶体研究进展[J].人工晶体学报,2017,46(2):231-237. |
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| 作者姓名： | 刘文斌 田甜 徐家跃 |
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| 作者单位： | 上海应用技术大学材料科学与工程学院,上海,201418 |
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| 基金项目： | 国家自然科学基金(51572175;61605116)，上海高校青年教师培养资助计划(ZZyy15087)，江苏省博士后科研资助计划(1501131C) |
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| 摘 要： | 近些年来,负热膨胀材料已成为材料科学的研究热点之一.本文总结了负热膨胀材料发展历程及负热膨胀机理,重点介绍钙钛矿结构和钨青铜结构铁电晶体的生长和热膨胀特性,探讨了晶体结构、铁电相变及负热膨胀机理的关系,对负热膨胀铁电晶体研究和应用提出了建议.
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| 关 键 词： | 负热膨胀 铁电晶体 相变 |
Research Progress of Negative Thermal Expansion Ferroelectric Crystals |
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| LIU Wen-bin,TIAN Tian,XU Jia-yue.Research Progress of Negative Thermal Expansion Ferroelectric Crystals[J].Journal of Synthetic Crystals,2017,46(2):231-237. |
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| Authors: | LIU Wen-bin TIAN Tian XU Jia-yue |
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| Abstract: | Recently,negative thermal expansion (NTE) material is a hot topic in material science.In this paper,the progresses and mechanism of negative thermal expansion materials were reviewed.The crystal growth and thermal expansion characteristics of perovskite and tungsten ferroelectric crystals were introduced in detail.The NTE mechanism was discussed based on the ferroelectric phase transition and the potential applications of NTE were suggested. |
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| Keywords: | negative thermal expansion ferroelectric crystal phase transition |
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