Unformatted text preview: Problem 4: The lattice constant of silicon is a = 0.543 nm. Determine the number of Si atoms/cm 3 . Problem 5: The lattice constant of GaAs is a = 0.565 nm. Determine the number of Ga atoms/cm 3 , the number of As atoms/ cm 3 and the total number of atoms/cm 3 . Problem 6: What line in the hydrogen spectrum (what wavelength) would be represented by an electron transitioning between the n=2 and n=1 orbits?...
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This note was uploaded on 03/25/2011 for the course ECE 305 taught by Professor Melloch during the Spring '08 term at Purdue.
- Spring '08