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Hot carrier injection
Additional recommended knowledge
There are several mechanisms which can cause hot carrier injection. Since carriers are accelerated by the strength of the electric field, designs which use too high a voltage coupled with a small dielectric thickness will create a stronger field across the layer and increase the presence of hot carriers. Since a carrier gains kinetic energy in the electric field only while it has "room to run", and this "room" is essentially the mean-free path of the carrier, and since mean-free path in turn decreases with increasing temperature, low operating temperatures can be a problem. This is the opposite of most wear-out phenomena in solid state electronics.
|This article is licensed under the GNU Free Documentation License. It uses material from the Wikipedia article "Hot_carrier_injection". A list of authors is available in Wikipedia.|