Ontology type: schema:ScholarlyArticle
2009-04-28
AUTHORSM. M. Mezdrogina, V. V. Krivolapchuk, V. N. Petrov, Yu. V. Kozhanova, E. Yu. Danilovski, R. V. Kuz’min
ABSTRACTEffect of doping with europium on the shape of the spectra of emission from structures with quantum wells based on InxGa1−xN/GaN, on the mechanism of doping, and the intensity of emission caused by intracenter f-f transitions in Eu is studied. According to the data of Mössbauer spectroscopy, the doping Eu impurity can have the charge state of the impurity ion of Eu2+ and Eu3+ or Eu3+ only. In the case where the charge state of the impurity ion is Eu3+, emission related to the intracenter transitions 5D0−7F2 (λ = 6220 Å) is observed. If the impurity ion can be found in the charge states Eu2+ and Eu3+, the emission related to the intracenter transitions characteristic of both Eu2+ and Eu3+ is not observed. More... »
PAGES447-457
http://scigraph.springernature.com/pub.10.1134/s1063782609040083
DOIhttp://dx.doi.org/10.1134/s1063782609040083
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