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← ScienceWhich outcome occurs when a voltage increases across quantum dot junctions?
A)Orbital energy level alignment occurs✓
B)Phonon scattering drastically increases
C)Quantum confinement effects diminish
D)Thermal expansion dominates transport
💡 Explanation
Orbital energy levels align via the Stark effect because increased electric field gradient tilts the quantum dot potential. This promotes electron tunnelling; therefore electrons flow rather than remain localized to their original orbital because alignment reduces potential barriers.
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