Injection-enhanced transformation of luminescence spectra of green GaP:N light-emitting diodes

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Abstract

Complex kinetics of the injection-enhanced change of the GaP:N LED emitting power and transformation of luminescence and DLTS spectra were investigated. It is shown that injection-enhanced processes in GaP:N LED's includes: a) the interstitial defects (Zni) diffusion from the highly doped layer near the contact into the active layer; b) the relief of stresses due to the arising of a dislocation network and the generation of point defects (vacancies antisites); c) diffusion of the impurity atoms via the vacancies which leads to dissociation of the nitrogen atom complexes (NN i ).

Original languageEnglish
Pages (from-to)423-429
Number of pages7
JournalJournal of Electronic Materials
Volume21
Issue number4
DOIs
StatePublished - Apr 1992
Externally publishedYes

Keywords

  • DLTS spectra
  • Diffusion
  • GaP:N
  • Interstitial defects

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