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← ScienceWhich outcome results when electrons encounter band bending at material interfaces?
A)Increased quantum tunneling probability✓
B)Decreased dielectric breakdown strength
C)Enhanced resistive heating effect
D)Reduced thermal conductivity observed
💡 Explanation
Increased quantum tunneling probability occurs when electrons must traverse an energy barrier due to band bending from dissimilar materials. Because the effective barrier width reduces, quantum tunneling probability increases; therefore, current leakage rises, rather than dielectric breakdown, which relates primarily field strengths.
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