TITLE

Mechanism of electroluminescence in alkaline-earth sulfides

AUTHOR(S)
Crandall, Richard S.
PUB. DATE
March 1987
SOURCE
Applied Physics Letters;3/9/1987, Vol. 50 Issue 10, p551
SOURCE TYPE
Academic Journal
DOC. TYPE
Article
ABSTRACT
A novel use of a staircase voltage waveform shows that three light emission peaks can be produced with a unipolarity voltage pulse in alkaline-earth-sulfide electroluminescent devices. Two peaks following the voltage decrease demonstrate the following: Light can be produced at fields much below those required for hot-electron effects. Activators are ionized when a field is applied. Recombination controls electroluminescence.
ACCESSION #
9822260

 

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