3. If Ec, Ey, Ef are the conduction-band edge energy, valence-band edge energy, and the Fermi level, respectively, and i
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3. If Ec, Ey, Ef are the conduction-band edge energy, valence-band edge energy, and the Fermi level, respectively, and i
3. If Ec, Ey, Ef are the conduction-band edge energy, valence-band edge energy, and the Fermi level, respectively, and if Ec + E 3kpT тр + In 2 4 mm EF where m,m are the conduction-band and valence-band effective masses, respectively, express Ec - Ep and EF - E, in terms of the band-gap energy E, = Ec – E, and the parameters m , m, kBT. (5+5 points)
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