Question: The dispersion relation for a semiconductor is 2k2 2mm = Jr-IE + E3 * By (1) Where E is the energy from the conduction band

The dispersion relation for a semiconductor is 2k2 2mm = Jr-IE + E3 * By (1) Where E is the energy from the conduction band edge, E9 is the bandgap energy, m?\" is the effective mass at k = U, {r is a constant in the unit of energy. (3.) Find the expression of or. (1)) Find the expression of effective mass -m(E) as a function of E. (c) Find the expression of the velocity U(E) as a function of E

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