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.
... to modified Reformed confessions, and have Baptist views of the sacraments and of church government. Congregationalist Churches are similarly a sub-family of th ...