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exciton
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The answer EXCITON has 3 possible clue(s) in existing crosswords.
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The word EXCITON is VALID in some board games. Check EXCITON in word games in Scrabble, Words With Friends, see scores, anagrams etc.
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Definitions of exciton in various dictionaries:
An electrically neutral excited state of an insulator or semiconductor, often regarded as a bound state of an electron and a hole.
noun - a phenomenon occurring in an excited crystal
EXCITON - An exciton is a bound state of an electron and an electron hole which are attracted to each other by the electrostatic Coulomb force. It is an electr...
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Keep reading for additional results and analysis below.
| Possible Crossword Clues |
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| Electron bound to arouse notice in Times? Quite the reverse |
| See about including unknown feature of some crystals |
| Bound hole-electron pair in a semiconductor |
| Last Seen in these Crosswords & Puzzles |
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| Apr 12 2009 The Telegraph - General Knowledge |
| Dec 11 2003 The Guardian - Cryptic crossword |
| Sep 21 2002 The Times - Cryptic |
| Possible Dictionary Clues |
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| An electrically neutral excited state of an insulator or semiconductor, often regarded as a bound state of an electron and a hole. |
| A mobile concentration of energy in a crystal formed by an excited electron and an associated hole. |
| Exciton description |
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| An exciton is a bound state of an electron and an electron hole which are attracted to each other by the electrostatic Coulomb force. It is an electrically neutral quasiparticle that exists in insulators, semiconductors and in some liquids. The exciton is regarded as an elementary excitation of condensed matter that can transport energy without transporting net electric charge.An exciton can form when a photon is absorbed by a semiconductor. This excites an electron from the valence band into the conduction band. In turn, this leaves behind a positively charged electron hole (an abstraction for the location from which an electron was moved). The electron in the conduction band is then effectively attracted to this localized hole by the repulsive Coulomb forces from large numbers of electrons surrounding the hole and excited electron. This attraction provides a stabilizing energy balance. Consequently, the exciton has slightly less energy than the unbound electron and hole. The wave |