Re-use of this resource is governed by a Creative Commons Attribution-
NonCommercial-ShareAlike 4.0 International
https://creativecommons.org/licenses/by-nc-sa/4.0/
V
V
T
0
Plot shows voltage applied to
gate electrode
p
-type semiconductor
metal
Oxide layer
At the critical voltage, the conduction band of the
p
-type semiconductor begins to fill.
conduction channel