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新型热释电材料及其在高性能红外探测器中的应用 被引量：5

Novel pyroelectric materials and their applications in high-performance infrared devices
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摘要 采用改进的Bridgman法生长出了大尺寸高质量的Pb(Mg1/3Nb2/3)O3-PbTiO3(PMNT)单晶,并发现了PMNT单晶具有非常大的热释电响应。为探索高性能的热释电材料,提高现有红外探测器的性能,对PMN-PT的热释电性能、及其在红外探测器中的应用进行了系统的研究。研究表明:PMNT单晶具有优异的热释电性能,其综合性能优于传统的热释电材料。用PMNT单晶制备出了的红外探测器,电压响应率和比探测率分别为Rv=211 V/W,D*=1.06×108 cm.Hz1/2.W-1,器件性能能够基本满足使用要求,同时也表明PMNT单晶有望在高性能的红外探测及成像器件中得到实际应用。 Large-size and high-performance Pb（Mg1/3Nb2/3）O3-PbTiO3（PMNT） single crystals are grown by a modified Bridgman technique.The pyroelectric properties and prototypes of infrared detectors of PMNT single crystals are investigated.The results reveal that the crystals exhibit outstanding pyroelectric performances which are superior to those of conventional pyroelectric materials.The infrared detectors have been successfully fabricated with voltage responsivity RV and specific detectivity D^＊,which can meet the requirement of practical applications.The investigation is of significant interest for exploiting PMNT crystals for high-performance infrared detector and imager applications.
作者 罗豪甦
机构地区 中国科学院上海硅酸盐研究所
出处 《红外与激光工程》 EI CSCD 北大核心 2008年第1期30-33,共4页 Infrared and Laser Engineering
关键词 Pb(Mg1/3Nb2/3)O3-PbTiO3单晶 热释电 红外探测器 Pb（Mg1/3Nb2/3）O3-PbTiO3 single crystal Pyroelectric Infrared device
分类号 TN215 [电子电信—物理电子学]
  • 相关文献

参考文献9

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同被引文献90

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引证文献5

二级引证文献16

红外与激光工程
2008年 第1期

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