[理工] [電子]半導體物理

[dkcheng (電磁霸主)]

Under thermal equilibrium，which of the following approache(s) can create a


built-in electric field in a semiconductor?


(A) p-n juction

(B) spatial variation of doping concentration

(C) hetrojuction

(D) schottjy contacts

(E) n-type GaAs

(F) intrinsic Si


我看到有(A)(B)(C)(D)和(A)


哪個對呢 ?



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