EE 305 Semiconductor Devices Assignment
American University of Middle East Class Assignment W8
Question 1 [10%]
Consider a silicon semiconductor at room temperature (π = 300 πΎ). Given that:
ππ· = 3 Γ 1017 cmβ3 and ππ΄ = 2 Γ 1014 cmβ3
- [1%] Determine whether this semiconductor is n-type, or p-type.
- [2%] Draw a detailed energy band diagram for this semiconductor with showing the following:
- πΈπΆ,ππ’π π‘ πππππ‘πππ
- πΈπ,ππ’π π‘ πππππ‘πππ
- πΈπ, π βππ€ ππ‘π π£πππ’π
- πΈπ
- πΈπΉ
- [1%] Calculate the total number of free electrons?
- [1%] Calculate the total number of holes?
- [1%] which carriers are considered as majority carriers and which carriers are considered as minority carriers?
- [1%] Calculate πΈπΉ β πΈπΆ ππ π½ππ’ππ πππ ππ ππ
- [1%] Calculate πΈπΉ β πΈπ ππ π½ππ’ππ πππ ππ ππ
- [1%] Calculate πΈπΉ β πΈπ ππ π½ππ’ππ πππ ππ ππ
- [1%] if ππ· = ππ΄ = 3 Γ 1017 ππβ3, is this semiconductor extrinsic? Why?
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