Abstract
Using the Shockley-Read-Hall (SRH) theory, a simple analytic charge pumping current model has been developed and its accuracy verified by exact numerical analysis. It is shown that the derived analytic charge pumping current model with constant capture cross sections for electrons and holes does not correctly simulate the rising (falling) edges of the experimental charge pumping current. According to the slopes of the logarithmic charge pumping current, effective capture-cross-section models for elections and holes are proposed and are incorporated into the developed analytic charge pumping current model. It is shown that the experimental charge pumping current can be simulated very well by using the modified analytic model.
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