High responsivity of pyroelectric infrared detector based on ultra-thin (10?μm) LiTaO3

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• 作者：Zhiqing Liang ; Shibin Li ; Ziji Liu…
• 刊名：Journal of Materials Science: Materials in Electronics
• 出版年：2015
• 出版时间：July 2015
• 年：2015
• 卷：26
• 期：7
• 页码：5400-5404
• 全文大小：2,787 KB
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• 作者单位：Zhiqing Liang (1)
  Shibin Li (1)
  Ziji Liu (1)
  Yadong Jiang (1)
  Weizhi Li (1)
  Tao Wang (1)
  Jun Wang (1)
  
  1. State Key Lab of Electronic Thin Films and Integrated Devices, School of Optoelectronic Information, University of Electronic Science and Technology of China, Chengdu, 610054, People’s Republic of China
  
• 刊物类别：Chemistry and Materials Science
• 刊物主题：Chemistry
  Optical and Electronic Materials
  Characterization and Evaluation Materials
  
• 出版者：Springer New York
• ISSN：1573-482X

文摘

Ultra-thin (10?μm) lithium tantalate crystal (LiTaO3) was used as sensitive layer in high responsivity room temperature pyroelectric infrared detector. The responsivity reaches 1.22?×?105?V/W and the noise equivalent power value reaches as low as 7.52?×?10?1?W at 20?Hz operating frequency by using blackbody radiation. The responsivity rate of the pyroelectric infrared detector can be enhanced. It provides a feasible approach for fabricating high response rate pyroelectric infrared sensor and infrared imaging application.