Solid State Electronic Devices, 7th Edition

Self Quiz

Question 1

1. The following three diagrams show three different energy bands of some hypothetical crystalline materials (energy varies vertically). The only difference between the three materials is the assumed Fermi level energy E_F. Characterize each material as a metal, an insulator, or a semiconductor.

2. Assuming you can see through one and only one of the materials of part (a) above, which one would it most likely be? Material 1 / Material 2 / Material 3

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Question 2

Consider the following conduction band energy E vs. wavevector k_x dispersion relation.

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1. Which energy valley ...