exciton
exciton
Definition
ex·ci·ton (ek sī′tän, ek′sə tän′)
noun
a localized, electrically neutral, excited state that allows the transfer of energy but not electric charge through a semiconductor, insulator, etc., as an electron bound to a positive hole
ex′·ci·ton′ic adjective
exciton
Usage Examples
Converse of object
- form: The exciton formed on the sensitiser molecule eventually breaks up into a vacancy on the donor molecule and an electron on the acceptor molecule.
Adjective modifier
- indirect: Special emphasis is given to spatially indirect excitons in coupled quantum wells.
Modifies a noun
- energy: The exciton cannot conduct energy, but it can transfer energy because it is mobile.
- emission: On Wednesday the morning session discussed the doping of diamond and exciton emission characteristics.
- polaritons: We first investigate a BEC of exciton polaritons in an isolated microcavity.
- dissociation: When such offsets are large enough exciton dissociation at the polymer interface is energetically favorable.
- system: Their mutual repulsive dipole-dipole interaction screens in-plane disorders effectively and further stabilizes the exciton system at low temperature.
Noun used with modifier
Browse dictionary entries near exciton
- exciting
- exciter
- excitement
- excitedly
- excited utterance
- excited
- excite
- excitatory
- excitation
- excitant
- excitor
- excl
- exclaim
- exclamation
- exclamatory
- exclave
- exclosure
- exclude
- excluding
- exclusion
