Encyclopedia

extrinsic photoemission

extrinsic photoemission

[ek¦strin·sik ‚fōd·ō·i′mish·ən]
(electronics)
Photoemission by an alkali halide crystal in which electrons are ejected directly from negative ion vacancies, forming color centers. Also known as direct ionization.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
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