Which phenomenon limits conductivity in intrinsic semiconductors with overlapping hybridized orbitals?

💡 Explanation

When temperature increases in semiconductors, lattice vibrations (phonons) intensify, increasing phonon scattering of electrons within the hybridized orbitals because more energy is transferred during collisions, hindering electron mobility. Therefore phonon scattering limits conductivity, rather than tunneling, capacitive coupling, or thermionic emission which rely on different quantum or thermal effects.

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