3. You uniformly dope the wafer with Np = 2 * 1015/cm³. (a) What is now the majority carrier of the wafer? (b) How many carrier electrons are there in the wafer in total? (c) How many carrier holes are there in the wafer in total?

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3. You uniformly dope the wafer with ND = 2 * 1015/cm³.
(a) What is now the majority carrier of the wafer?
(b) How many carrier electrons are there in the wafer in total?
(c) How many carrier holes are there in the wafer in total?
(d) What is the resistivity of the wafer?
(e) Draw the energy band diagram of the wafer, indicating Ec, Ev,EF, and E;. The location of EF does
not have to be exact, the energy levels just have to be in the correct order.
Transcribed Image Text:3. You uniformly dope the wafer with ND = 2 * 1015/cm³. (a) What is now the majority carrier of the wafer? (b) How many carrier electrons are there in the wafer in total? (c) How many carrier holes are there in the wafer in total? (d) What is the resistivity of the wafer? (e) Draw the energy band diagram of the wafer, indicating Ec, Ev,EF, and E;. The location of EF does not have to be exact, the energy levels just have to be in the correct order.
Silicon Wafer
5cm
1cm
You are given a 1mm × 1cm × 5cm silicon wafer, shown above. The room is at 300K, and you may assume
total ionization.
Transcribed Image Text:Silicon Wafer 5cm 1cm You are given a 1mm × 1cm × 5cm silicon wafer, shown above. The room is at 300K, and you may assume total ionization.
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