题目内容

2D electron gas has the property of ______ .

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The reverse-biased current of pn junction diode is dominated by the generation current, but that of Schottky diode is reverse saturated current.

Light generation includes photoluminescence and electroluminescence.

Light generation has two kinds of forms including photoluminescence and electroluminescence. ______ and______ .

C-V curve can be used to estimate ().

A. Built-in electric field
B. Width of space charge region
C. Doping concentration
D. Carrier concentration

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