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Yuzhou Ding

pn junction I-V curve

For an ideal p-n junction, the Shockley equation applies and the I-V curve should be an exponential curve in forward bias. Why is it always linear in simulation?

Though in 2D simulation, would it not still be exponential as the current density also depends on bias voltage exponentially?


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    Saumitra Raj Mehrotra

    Hi, n reality due to series resistance etc. ideal equation might not hold and be somewhere between linear/ exponential. he simulations in PN Junction are essentially 1D and not 2D. n what sense would you call it 2D?

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