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band structure for terestructure?

band structure for terestructure?

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Assume that the conduction band-offset for an AlxGa1-xAs/GaAs heterojunction is 60 % of the difference of the bandgaps of these materials. Find the composition of the AlGaAs layer necessary for the resulting heterojunction to have an energy barrier for the electrons equal to 0.3 eV. Calculate the energy barrier for the holes. Sketch the energy band structure for this heterostructure for the given composition. What type is the heterostructure?
Transcribed Image Text:Assume that the conduction band-offset for an AlxGa1-xAs/GaAs heterojunction is 60 % of the difference of the bandgaps of these materials. Find the composition of the AlGaAs layer necessary for the resulting heterojunction to have an energy barrier for the electrons equal to 0.3 eV. Calculate the energy barrier for the holes. Sketch the energy band structure for this heterostructure for the given composition. What type is the heterostructure?
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