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← ScienceWhich consequence results when electron's confinement decreases within a quantum dot?
A)Energy level spacing decreases✓
B)Coulomb blockade becomes more pronounced
C)Quantum capacitance decreases sharply
D)Electron-phonon scattering rate increases
💡 Explanation
Decreased confinement allows the electron's wavefunction to spread into larger space. This reduces the energy quantization through the particle-in-a-box model; the electron energy levels become closer because energy is inversely proportional to space. As confinement goes down energy goes down therefore other options are less appropriate.
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