Lecture15(1)

And 0 for x x p and x x n fig 59 a a and b fig 59 and

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Unformatted text preview: E for qN D D for 0 0 x x x n n dE dx KK o for 0 x x x S dx n So dx 0 0Kforo x x x x and x x x n S for p xn p and 0 for x x p and x x n Fig. 5.9 a a and b Fig. 5.9 and b Fig. 5.9 a and b Where we have used: Where we have used: dE Ks: Dielectric Constant Where dx dE K used: we have Ks: Dielectric Constant dE dx K Georgia Tech S Georgia Tech Georgia Tech dx KS o S o o EE ECE 3080 - Dr. Alan Dooli ECE 3080 - Dr. Alan Do ECE 3080 - Dr. Alan 332 Spring 2013 Dooli Build-in Potentialin Potential Build•  Built-in-potential EE 332 Spring 2013 Electrostaticlectrostatic Field Field E Electrostatic Field •  Built-in-potential •  Electric field EE 332 Spring 2013 Electric Field in Depletion Region Electric Field in Depletion Region EE 332 Spring 2013 Build-in Potential Build-in Potential EE 332 Spring 2013 Build-in Potential Build-in Potential EE 332 Spring 2013 Build-in Potential Calculated as follows: Vbuild −in = VT ln N AND 2 i n where kT VT = = thermal voltage q EE 332 Spring 2013 Equilibrium Fermi Equilibrium Fermi Level Level qV0=EVP-EVn EE 332 Spring 2013 Examp...
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This document was uploaded on 02/18/2014.

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