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Problem 1:

Part A: Explain why holes are found at the top of the valence band, whereas electrons are found at the bottom of the conduction band.
Part B: Explain why Si doped with $ 10^{14} cm^{-3}$ Sb is n-type at 400K but similarly doped Ge is not.


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Next: Problem 2: Up: TFYA39_HW_SET1 Previous: TFYA39_HW_SET1
Deyan Levski 2013-06-20