Which phenomenon increases leakage current across capacitor dielectric under strong electric fields?

💡 Explanation

Under strong electric fields, Fowler-Nordheim tunneling occurs because electrons quantum-mechanically tunnel through the triangular potential barrier, increasing leakage current. Therefore, Fowler-Nordheim tunneling results, rather than Schottky emission, dielectric breakdown, or Ohmic conduction, which require different electrical conditions and carrier transport mechanisms.

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