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free electron

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free electron
n
(Physics / General Physics) any electron that is not attached to an ion, atom, or molecule and is free to move under the influence of an applied electric or magnetic field
ThesaurusLegend:  Synonyms Related Words Antonyms
Noun1.free electron - electron that is not attached to an atom or ion or molecule but is free to move under the influence of an electric field
electron, negatron - an elementary particle with negative charge
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Those free electrons existed during two very separate epochs--the time just before the universe cooled enough for electrons and ions to combine into atoms, and at the much later time when starlight first flooded the universe with ultraviolet light and liberated electrons that had been bound to atoms.
Planck by Planck: mapping the earliest moments of time by Cowen, Ron / Science News
On other hand, if the doping of impurities are very high free electron (hole) phonon model is used to explain the conductivity.
A theortical calculation of charge carriers in doped semiconductors by Journal of the Alabama Academy of Science
t really die, because they are not living entities but molecules that have a free electron, and free electrons like to pair up with other electrons.
Coral Calcium An Alkalizing Mineral to Balance PH by Darrell Miller / Food/cooking/nutrition community
 
 
 
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