The diode current equation for hetero junction

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Reference no: EM131321260

1. Using the Shockley diode formulae for a p/n homo junction, write down without algebra the diode current equation for hetero junction p/n diode with a valence discontinuity of ΔEV and a conduction band discontinuity of ΔEC.

2. If mobilities are identical, what ΔEG, ΔEV and ΔEC, are necessary to offset a ratio of NDD/NAA such that the minority carrier current on the two sides (two quasi-neutral layers) are equal? Assume both layers are thick compared with respective minority carrier diffusion length.

Reference no: EM131321260

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