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表面PIN二极管的电磁辐射特性分析 被引量:1

Analysis of the electromagnetic radiation characteristics of surface PIN diode
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摘要 以表面PIN二极管(SPIN)为研究对象,根据半导体内非平衡载流子双极性扩散方程,推导了外加电场条件下,稳态时本征区载流子浓度一维连续性方程,数值求解了大电流注入条件下本征区固态等离子体电导率.基于固态等离子体电导率在ADS软件中构建可重构贴片单极天线结构,仿真验证了大电流注入条件下,SPIN具有一定的类金属电磁辐射特性.实验结果表明可以用SPIN替代金属作为基本辐射单元构建可重构天线阵列. According to ambipolar diffusion equation of the non-equilibrium carriers in a semiconductor,a one-dimensional continuity equation of carrier concentration in the intrinsic area of surface PIN diode(SPIN)at steady state under an applied electric field was derived and the conductivity of solid-state plasma in this area with high current injected was calculated out.Based on this conductivity,a reconfigurable patch monopole antenna structure was built and simulated in Advanced Design System(ADS),the result showed that SPIN has similar electromagnetic radiation characteristics to metals under high current injection,which means SPIN can be used as basic radiating element,instead of metals,to build reconfigurable antenna array.
出处 《四川大学学报(自然科学版)》 CAS CSCD 北大核心 2016年第3期576-580,共5页 Journal of Sichuan University(Natural Science Edition)
基金 青年科学基金(11305111)
关键词 SPIN 双极性扩散 等离子体 电导率 电磁辐射 SPIN Ambipolar diffusion Plasma Conductivity Electromagnetic radiation
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参考文献10

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