Determine the number of quantum states [er unit volume (3D mate- rial) #/cm³ at T=300K for Si, Ge, and GaAs at an energy of E = kT. What do you observe about the relationship between effective mass and the # of states.
Determine the number of quantum states [er unit volume (3D mate- rial) #/cm³ at T=300K for Si, Ge, and GaAs at an energy of E = kT. What do you observe about the relationship between effective mass and the # of states.
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Transcribed Image Text:Material
Si
Ge
GaAs
effective mass parameters:
Electron Effective Mass
1.08mo
0.55mo
0.067mo
Determine the number of quantum states [er unit volume (3D mate-
rial) #/cm³ at T=300K for Si, Ge, and GaAs at an energy of E = kT.
What do you observe about the relationship between effective mass
and the # of states.
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