Most of the revolutions in information technology rely on the physics of semicon

Question

Most of the revolutions in information technology rely on the physics of semiconductors (e.g., silicon and germanium). One of the most important semiconductor devices is the p-n junction.

The generation currents are not substantially affected by externally applied electric fields. Why not?

There is already an electric field in the junction zone. An external field would inhibit the formation of hole-conduction electron pairs and thereby cancel the increased potential difference. The numbers of conduction holes and electrons generated are small and independant of external fields. Externally applied fields don't affect the motion of holes and electrons within the junction zone.

Explanation / Answer

The numbers of conduction holes and electrons generated are small and independant of external fields

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