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Unformatted text preview: Å , V o in the conduction band is 0.3 eV. For simplicity, you can assume the electron effective mass for GaAs and AlGaAs is 0.067m o where m o is the free electron mass. (a) Calculate and plot the conduction band subband structure of the superlattice using Kronig Penny model. (b) Calculate bandgap energies between the subbands from the Kronig Penny model. (c) Calculate the bandgap energies between the subbands using the nearly free electron model. Compare your results with the results from (b). For all your plots and calculations, use eV as the unit for energy and 1/cm as the unit for k. a ‐ b InGaAs (m 1 ) InAlAs (m 2 ) I II V o...
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This note was uploaded on 01/08/2011 for the course ECE ece230a taught by Professor Ece during the Fall '10 term at UCSD.
- Fall '10