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Excitonic Mechanism of Rare Earth Excitation in II-VI and IH-V Semiconductors
Published online by Cambridge University Press: 03 September 2012
Abstract
In this paper we analyze processes which may improve the efficiency of low- and high- field electroluminescence devices based on rare earth doped II-VI and III-V semiconductors. The main topicsare the processes which follow impact ionization, i.e., carrier trapping and/or exciton binding. Excitonic excitation mechanism is shown to occur also for ions which are not directly ionized, as observed recently for some rare earth impurities in II-VI and III-V semiconductors.
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- Copyright © Materials Research Society 1992
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