Boron, arsenic, and antimony, among other substances, are used as dopants when added to a pure semiconductor material to alter its electrical characteristics.
Artificially produced gemstones[?] (such as Ruby (gemstone)) usually contain a dopant to identify them as such.
... of it is land and none of the area is covered with water.
Demographics
As of the census of 2000, there are 5,013 people, 1,455 households, and 1,223 famil ...