Which outcome occurs when a substitutional impurity disrupts a semiconductor's lattice periodicity?

💡 Explanation

Increased electron-phonon scattering occurs due to the disruption of periodic potential which perturbs electron waves. This changes the effective mass of electrons and increases electron-phonon scattering because crystal momentum is no longer a good quantum number; therefore scattering increases, rather than a change to intrinsic material conductivity under different conditions.

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