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.
... West (40.804658, -73.172778)1.
According to the United States Census Bureau, the village has a total area of 5.8 km² (2.2 mi²). 5.8 km² (2.2 mi²) of ...