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← TechnologyWhich phenomenon exacerbates current leakage at diode junction?
A)Thermionic emission✓
B)Quantum tunneling
C)Avalanche breakdown
D)Electromigration effects
💡 Explanation
Elevated temperature increases the population of electrons with sufficient energy to overcome the potential barrier via thermionic emission, causing increased leakage current, because more charge carriers overcome the barrier; therefore, thermionic emission worsens leakage, rather than only band bending affecting tunneling.
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