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May 18, 2021 at 7:58 pm
Guilin Sun
Ansys Employee
current 监视器的电流就是总电流,不分表面还是非表面;单位是A。其它参见
Ansys Insight: CHARGE电学仿真输出结果的单位
npn 的例子参见
https://support.lumerical.com/hc/en-us/articles/360042271854-npn-bipolar-junction-transistor
是不是形成了两个pn结,你在零偏压就可以看出来。参见
PIN Mach-Zehnder modulator – Lumerical Support
衬底应该不影响电流,除非你的电极在衬底之下。
我怀疑你的电压没有真正地施加到器件上。是不是因为你这个衬底掺杂很低,在两个电极之间啊?或者p区掺杂很低?
请再仔细检查器件的设置,以及边界条件中电极的设置。
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