Before revision: 350px|ImpactIonisation1|An example of an incoming electron impact ionizing to produce a new electron-hole pair Impact ionization is the process in a material by which one energetic charge carrier can lose energy by the creation of other charge carriers.
After revision: 350px|ImpactIonisation1|An example of an incoming electron impact ionizing to produce a new electron-hole pair Impact ionization is the process in a material by which one energetic charge carrier can lose energy by the involvement of other charge carriers.