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← ScienceWhich outcome results when an electron's wave function overlaps multiple quantum wells in a semiconductor heterostructure?
A)Quantum tunneling becomes more probable✓
B)Energy levels become sharply defined
C)Electron-phonon scattering decreases
D)Charge carrier mobility is minimized
💡 Explanation
Quantum tunneling probability increases because greater wavefunction overlap means electrons encounter thinner potential barriers; therefore, tunneling is favored, rather than confinement, because broad overlap does not generate sharply defined energy levels within a single well.
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