"Doping" is manipulation of the crystals of these, a class of solids found in transistors
[DOC] [TLE] Chemistry of Silicon - Chemistry LibreTexts [PAR] Jul 22, 2015 ... Found in everything from spaceships to synthetic body parts, silicon can be found 
.... Silicates in general share the properties of covalent solids, and this ... 
Semiconductors lie somewhere in between these two classes giving them a ...