https://doi.org/10.1351/goldbook.08858
Increase in the electric conductivity of a semiconductor or insulator by exposing it to an electric field.
Note:
Valence electrons in an insulator or poor semiconductor that is exposed to an external electric field obtain a part of the excitation energy from an external electric field.
Valence electrons in an insulator or poor semiconductor that is exposed to an external electric field obtain a part of the excitation energy from an external electric field.