P-type
Encyclopedia
P-type may refer to:
- P-type semiconductorP-type semiconductorA P-type semiconductor is obtained by carrying out a process of doping: that is, adding a certain type of atoms to the semiconductor in order to increase the number of free charge carriers ....
, a semiconductor with positive free charge carriers - P-type asteroidP-type asteroidP-type asteroids have low albedo and a featureless reddish electromagnetic spectrum. It has been suggested that they have a composition of organic rich silicates, carbon and anhydrous silicates, possibly with water ice in their interior...
, asteroids found in the outer asteroid belt and beyond