Dr. Ahmed G. Abo-Khalil

Electrical Engineering Department

Semiconductor curr

The current which will flow in an intrinsic semiconductor consists of both electron and hole current. That is, the electrons which have been freed from their lattice positions into the conduction band can move through the material. In addition, other electrons can hop between lattice positions to fill the vacancies left by the freed electrons. This additional mechanism is called hole conduction because it is as if the holes are migrating across the material in the direction opposite to the free electron movement.

The current flow in an intrinsic semiconductor is influenced by the density of energy states which in turn influences the electron density in the conduction band. This current is highly temperature dependent.

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Tuesday 10-12

Thursday 11-1

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email: [email protected]

[email protected]

Phone: 2570

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Almajmaah University


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ستقام اختبارات الميدتيرم يوم الثلاثاء 26-6-1440

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