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首页> 外文期刊>Journal of Ceramic Processing Research. (Text in English) >Structural and pyroelectric properties of YBa2Cu3O_(6+x) for the uncooled infrared detectors
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Structural and pyroelectric properties of YBa2Cu3O_(6+x) for the uncooled infrared detectors

机译：YBa2Cu3O_（6 + x）非制冷红外探测器的结构和热电性质

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摘要

The uncooled pyroelectric infrared based on semiconductor YBa2Cu3O_(6+x) (YBCO) have been investigated. YBCO powder was prepared by a mixed oxide method and YBCO thick films were fabricated by the screen-printing method. The YBCO thick films were sintered at 820-945 °C. As a result of the Thermogravimetry and differential thermal analysis (TG-DTA), endothermic peak was observed at around 800 °C due to the formation of the tetragonal phase. YBCO thick films showed the typical XRD patterns of tetragonal phase and second phase was observed. The average particle size of YBCO thick films was about 1.67 μm. The thickness of the YBCO thick films was about 60μm. The temperature coefficient of resistance (TCR = 1/R* dR/dT) of 930 °C-20min sintered YBCO thick films was -2.3% and the pyroelectric coefficient was 511.1 x 10~(-7)C/cm~2K.
机译：研究了基于半导体YBa2Cu3O_（6 + x）（YBCO）的未冷却热释电红外。通过混合氧化物法制备YBCO粉末，并通过丝网印刷法制备YBCO厚膜。将YBCO厚膜在820-945℃下烧结。热重分析和差热分析（​​TG-DTA）的结果是，由于四方相的形成，在约800℃观察到吸热峰。 YBCO厚膜显示出典型的四方相和第二相的XRD图。 YBCO厚膜的平均粒径为约1.67μm。 YBCO厚膜的厚度为约60μm。 930℃-20min的烧结YBCO厚膜的电阻温度系数（TCR = 1 / R * dR / dT）为-2.3％，热电系数为511.1×10〜（-7）C / cm〜2K。

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