semiconductor

Examples of semiconductor in the following topics:

• Semiconductors

  • Semiconductors fall into two broad categories:
  • These are also called "undoped semiconductors" or "i-type semiconductors. "
  • While insulating materials may be doped to become semiconductors, intrinsic semiconductors can also be doped, resulting in an extrinsic semiconductor.
  • The impurities depend on the type of semiconductor.
  • When a semiconductor is doped to such a high level that it acts more like a conductor than a semiconductor, it is referred to as degenerate.

• Doping: Connectivity of Semiconductors

  • There are two general categories of semiconductors: intrinsic semiconductors, which are composed of only one material, and extrinsic semiconductors, which have had other substances added to them to alter their properties.
  • In semiconductor production, the process of creating extrinsic semiconductors by adding substances to a pure semiconductor for the purposes of modulating its electrical properties is known as doping.
  • The newly created semiconductor is better able to conduct current than the pure semiconductor.
  • While semiconductors doped with either n-type dopants or p-type dopants are better conductors than intrinsic semiconductors, interesting properties emerge when p- and n-type semiconductors are combined to form a p-n junction.
  • The free electrons from the n-type semiconductor combine with the holes in the p-type semiconductor near the junction.

• Electrolytic Cells

  • Electrodes of metal, graphite, and semiconductor material are widely used.

• Sulfur Compounds

  • These materials tend to be dark-colored semiconductors that are not readily attacked by water or even many acids.
  • The mineral galena (PbS) was the first demonstrated semiconductor.

• Conductors

  • Semiconductors and insulators have a greater and greater energetic difference between the valence band and the conduction bands, requiring a larger applied voltage in order for electrons to flow.

• Elemental Boron

  • Elemental boron is used as a dopant in the semiconductor industry.

• Determining Atomic Structures by X-Ray Crystallography

  • Substances including inorganic salts and minerals, semiconductors, and organic and biological compounds can form crystals under suitable and specific conditions.

• Trihalides: Boron-Halogen Compounds

  • The electronics industry uses boron tribromide as a boron source in pre-deposition processes for doping in the manufacture of semiconductors.

• Voltaic Cells

  • Electrodes can be made from any sufficiently conductive materials, such as metals, semiconductors, graphite, and even conductive polymers.

• Electron Configurations and Magnetic Properties of Ions

  • In bulk materials, this same idea helps explain the peculiar properties of lasers and semiconductors.