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phosphide

[fos-fahyd, -fid] /ˈfɒs faɪd, -fɪd/
noun, Chemistry
1.
a binary compound of phosphorus with a basic element or group.
Origin
1840-1850
1840-50; phosph- + -ide
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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Examples from the web for phosphide
  • Instead, the researchers chose other semiconductor materials called indium-gallium-arsenide and indium-phosphide.
  • Similarly, adding nitrogen to a semiconductor such as gallium arsenide phosphide will also give a multi-band semiconductor.
  • Today's commercial lasers are made of compound semiconductors such as indium phosphide.
  • They added a layer of silica, followed by a layer of aluminum around a laser cavity made of indium gallium arsenide phosphide.
  • It's made of indium phosphide, a semiconductor prized for its optical properties.
British Dictionary definitions for phosphide

phosphide

/ˈfɒsfaɪd/
noun
1.
any compound of phosphorus with another element, esp a more electropositive element
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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phosphide in Medicine

phosphide phos·phide (fŏs'fīd') or phos·phid (-fĭd)
n.
A compound of phosphorus and a more electropositive element or radical.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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Encyclopedia Article for phosphide

any of a class of chemical compounds in which phosphorus is combined with a metal. The phosphide ion is P3, and phosphides of almost every metal in the periodic table are known. They exhibit a wide variety of chemical and physical properties. Although there are a number of ways to prepare phosphides, the most general method is to heat stoichiometric amounts of the metal and red phosphorus to high temperature in an inert atmosphere (i.e., one lacking any chemically reactive substances) or in a vacuum. Other methods that can be used include electrolysis reactions, the reaction of a metal (or a metal halide or metal sulfide) with phosphine (PH3), and reduction of a metal phosphate with elemental carbon at an elevated temperature.4Ti + 2PH3 + heat 2Ti2P + 3H2 Ca3(PO4)2 + 8C + heat Ca3P2 + 8CO In some cases, a metal phosphide will react further with additional metal or phosphorus (usually requiring heat) to yield a phosphide of different stoichiometry; for example,4RuP + P4 + heat 4RuP2.

Learn more about phosphide with a free trial on Britannica.com
Encyclopedia Britannica, 2008. Encyclopedia Britannica Online.
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