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Definition of "Silicon" |
A metallic element which, in its pure state, is used as a semiconductor. A chemical element, atomic number 14, semi-metallic in nature, dark gray, an excellent semiconductor material. A common constituent of sand and quartz (as the oxide). Crystallizes in face-centered cubic lattice like a diamond. / A chemical element (Si), atomic number 14, semi metallic in nature, dark gray, that is an excellent semiconducting material and is the most common semiconducting material used in making photovoltaic devices. / Silicon is a chemical element with symbol Si and atomic number 14. It is a tetravalent metalloid, less reactive than its chemical analog carbon, the nonmetal directly above it in the periodic table, but more reactive than germanium, the metalloid directly below it in the table. / (1) most common element in the earth’s crust and a type IV (from periodic table of elements) semiconductor material. The bipolar carriers, both holes (p dopants) or electrons (n dopants) are roughly in proportion to each other, resulting in nearly equal currents in the same direction. They move at about half the speed of comparable GaAs unipolar carriers. The thermal resistance is also about half that of GaAs. Silicon has an indirect band gap of 1.11 eV, density-of-states masses of 1.1 times the free-electron mass for the conduction band and 0.56 for the valence band. |
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