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← ScienceWhich outcome accelerates when electrons breach a semiconductor oxide layer?
A)Dielectric breakdown of the insulator✓
B)Increased channel mobility in transistor
C)Enhanced quantum confinement effect
D)Reduced thermal carrier generation rate
💡 Explanation
Dielectric breakdown is accelerated by electron tunneling through the oxide layer; the intense electric field disrupts the atomic lattice because increasing voltage exceeds the dielectric strength, therefore insulation fails catastrophically rather than exhibiting gradual leakage experienced at lower voltages.
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