Frenkel pair

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• Frenkel defect — A Frenkel defect, also called a Frenkel pair or Frenkel disorder, is a compound crystallographic defect in which an interstitial lies near the vacancy. A Frenkel defect forms when an atom or ion leaves its place in the lattice (leaving a vacancy) …   Wikipedia

• Frenkel defect — in an ionic solid, a cation vacancy and cation interstitial pair …   Mechanics glossary

• Noro–Frenkel law of corresponding states — The Noro–Frenkel law of corresponding states is an equation in thermodynamics that describes the critical temperature of the liquid gas transition T as a function of the range of the attractive potential R. It states that, all short ranged… …   Wikipedia

• Threshold displacement energy — The threshold displacement energy Td is the minimum kinetic energy that an atom in a solid needs to be permanently displaced from its lattice site to a defect position. It is also known as displacement threshold energy or just displacement energy …   Wikipedia

• Silver bromide — chembox new OtherNames = bromargyrite bromyrite silver(I) bromide Section1 = Chembox Identifiers CASNo = 7785 23 1 Section2 = Chembox Properties Formula = AgBr MolarMass = 187.772 g/mol Appearance = Pale yellow solid photosensitive Density =… …   Wikipedia

• Crystallographic defect — Crystalline solids exhibit a periodic crystal structure. The positions of atoms or molecules occur on repeating fixed distances, determined by the unit cell parameters. However, the arrangement of atom or molecules in most crystalline materials… …   Wikipedia

• radiation — radiational, adj. /ray dee ay sheuhn/, n. 1. Physics. a. the process in which energy is emitted as particles or waves. b. the complete process in which energy is emitted by one body, transmitted through an intervening medium or space, and… …   Universalium

• ART — This article is arranged according to the following outline: Antiquity to 1800 INTRODUCTION: JEWISH ATTITUDE TO ART biblical period the sanctuary and first temple period second temple period after the fall of jerusalem relation to early christian …   Encyclopedia of Judaism

• List of Russian people — The Millennium of Russia monument in Veliky Novgorod, featuring the statues and reliefs of the most celebrated people in the first 1000 years of Russian history …   Wikipedia

• Space War Blues — is a science fiction novel by American writer Richard A. Lupoff. It is a fixup of several previously published pieces, the longest of which, With The Bentfin Boomer Boys On Little Old New Alabama, (afterwards “WTBBB”) first appeared in Harlan… …   Wikipedia

• Exciton — Ein Exziton (engl. exciton) ist ein gebundener Zustand von Elektron und Loch in einem Isolator bzw. einem Halbleiter. Es ist somit eine elementare Anregung des Festkörpers. Es ist wie ein Phonon oder ein Polaron ein Quasiteilchen. Ein Exziton… …   Deutsch Wikipedia