Active elements of the pyroelectric detectors based on TGS monocrystals doped with Serine

Systems of Optical Security Pub Date : 2002-07-23 DOI:10.1117/12.475984

W. Proszak

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引用次数: 1

Abstract

ABSTRACTThis paper presents our works upon production of new pyroelectric material - Triglycine Sulfate (TGS) dopedwith serine. Many authors investigated influence of various dopants on electric properties of TGS single crystals.In our recent works we investigated influence of organic dopant on domain structure of TGS and correlation ofdomain structure with the electric properties of new obtained single crystal.Key words: ferroelectric, pyroelectric effect, detector, single crystal 1. INTRODUCTIONFerroelectric materials have wide spectrum of application in contemporary electronics. That is why the newmaterials obtaining previously defined properties are desired. Ferroelectric single crystals showing electric response on the temperature extortion are called pyroelectrics. The most popular application pyroelectrics foundin detection of the JR radiation. Because of its unique properties such as direct conversion of JR radiation to theelectric current, wide spectrum of operation, high sensitivity, low capacity, low production cost, large detectionareas, no need of additional cooling, pyroelectric single crystals are the only solution in many cases.TGS belongs to the ferroelectrics with hydrogen bond and is well known material for the pyroelectric detectors.Unfortunately its electric properties are changing with time and may vary even in case of samples cut from the

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丝氨酸掺杂TGS单晶热释电探测器的有源元件

摘要本文介绍了丝氨酸掺杂硫酸甘油三酯(TGS)新型热释电材料的制备工作。许多作者研究了各种掺杂剂对TGS单晶电性能的影响。在我们最近的工作中，我们研究了有机掺杂对TGS畴结构的影响以及畴结构与新获得的单晶电学性质的关系。关键词:铁电，热释电效应，探测器，单晶铁电材料在现代电子学中有着广泛的应用。这就是为什么需要获得先前定义的特性的新材料。对温度升高有电响应的铁电单晶称为热释电晶体。热释电最普遍的应用是发现JR辐射的探测。由于其独特的性质，如JR辐射直接转换为电流，宽谱操作，高灵敏度，低容量，低生产成本，大的检测区域，不需要额外的冷却，热释电单晶是在许多情况下的唯一解决方案。TGS属于带氢键的铁电体，是热释电探测器的常用材料。不幸的是，它的电性能随着时间的推移而变化，甚至在从金属中切割样品的情况下也可能发生变化

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Systems of Optical Security

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