| 铁电移相器优值研究 |
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| 引用本文： | 张晓玲,孟庆端,李娜,张雪强,何豫生. 铁电移相器优值研究[J]. 低温物理学报, 2010, 32(3) |
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| 作者姓名： | 张晓玲 孟庆端 李娜 张雪强 何豫生 |
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| 作者单位： | 河南科技大学电子信息工程学院,河南,洛阳,471003;中国科学院物理研究所,北京,100080 |
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| 摘 要： | 基于双周期性电容加载共面波导传输线的移相器结构,系统研究了温度变化对铁电薄膜移相器移相能力、传输损耗的影响.调整温度可以在一定的范围内实现对移相器性能指标的微调.给出了加载因子对移相能力的示意曲线图,并在实验上,借助氩离子刻蚀技术,改变加载因子的大小,使得移相器的优值从原来的13degree/dB提升到23degree/dB.
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| 关 键 词： | 钛酸锶钡薄膜 共面移相器 优值 |
RESEARCH OF FIGURE OF MERIT FOR PHASE SHIFTER WITH FERROELECTRIC THIN FILM |
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| ZHANG Xiao-ling MENG Qing-duan LI Na ZHANG Xue-Qiang HE Yu-sheng College of Electronics , Information Engineering,Henan University of Science , Technology,Luoyang Beijing National Laboratory for Condensed Matter Physics. RESEARCH OF FIGURE OF MERIT FOR PHASE SHIFTER WITH FERROELECTRIC THIN FILM[J]. Chinese Journal of Low Temperature Physics, 2010, 32(3) |
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| Authors: | ZHANG Xiao-ling MENG Qing-duan LI Na ZHANG Xue-Qiang HE Yu-sheng College of Electronics Information Engineering Henan University of Science Technology Luoyang Beijing National Laboratory for Condensed Matter Physics |
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| Affiliation: | ZHANG Xiao-ling~1 MENG Qing-duan~1 LI Na~2 ZHANG Xue-Qiang~2 HE Yu-sheng~2 ~1 College of Electronics and Information Engineering,Henan University of Science and Technology,Luoyang 471003 Beijing National Laboratory for Condensed Matter Physics,Institute of Physics,Chinese Academy of Sciences,Beijing 100080 |
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| Abstract: | Both differential phase shift and transmission loss of the phase shifter have been researched systematically from room temperature to 180 K,which consists of a coplanar waveguide(CPW) line periodically loaded with voltage-variable barium strontium titanate(BST) interdigitated capacitors.Figure of merit of phase shifter can be adjusted to some extent by temperature changing.The relationship between differential phase shift and loading factor is supported with schematic illustration.By means of argon ion etch... |
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| Keywords: | BaSrTiO_3 Thin Film CPW phase shifter figure of merit |
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