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← ScienceWhich mechanism enables electron transitions in quantum dots?
A)Quantum Mechanical Tunneling✓
B)Brownian Motion Increase
C)Increased Nuclear Fusion
D)Thermal Energy Increase
💡 Explanation
Electrons can move between quantum dot orbitals via Quantum Mechanical Tunneling because this is a probabilistic passage through a potential barrier, rather than a classical passage over the barrier; therefore, electrons jump between quantized energy levels, rather than gaining continuous energy from thermal distribution.
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