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exciton
(redirected from Excitons)

   Also found in: Encyclopedia, Wikipedia 0.02 sec.
ex·ci·ton  (ks-tn, -s-)
n.
An electrically neutral excited state of an insulator or semiconductor, often regarded as a bound state of an electron and a hole.


exciton [ˈɛksaɪˌtɒn]
n
(Physics / General Physics) a mobile neutral entity in a crystalline solid consisting of an excited electron bound to the hole produced by its excitation
[from excit(ation) + -on]


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Byline: ANI Washington, September 28 (ANI): Physicists at UC (University of California) San Diego have successfully created speedy integrated circuits with particles called "excitons" that operate at commercially cold temperatures, bringing the possibility of a new type of extremely fast computer based on excitons closer to reality.
Editor Vardeny (physics, University of Arizona) has included perspectives from both sides of the debate on whether the excited state in organic semiconductors is band-like, with electrons and holes in conduction and valence bands similar to regular semiconductors, or whether the photogenerated geminate electron-holes are bound together to form tightly bound excitons with large binding energy.
absorption of many photons by a dendritic polymer and fast intramolecular transfer of the excitons to a splitting site).
 
 
 
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