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← ScienceWhich risk increases when a resonant tunneling diode (RTD) junction layer thickness decreases?
A)Greater thermal carrier generation
B)Reduced quantum well confinement✓
C)Increased phonon scattering events
D)Enhanced impurity diffusion rate
💡 Explanation
Decreasing the junction layer thickness increases the risk of reduced quantum well confinement, due to a smaller physical space limiting the quantum mechanical effects. Therefore, energy levels smear, and clear band gaps diminish, rather than enhanced thermal carrier generation under thermal equilibrium.
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