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1992 | 82 | 5 | 911-913
Article title

"Excitonic" and Photoionization Absorption Spectra of Iron in III-V Materials

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EN
Abstracts
EN
We report optical absorption measurements of Fe-doped GaAs, InP and GaP crystals obtained with the help of different doping techniques. In all these crystals photoionization spectra corresponding to Fe^{3+} → Fe^{2+} transitions with sharp "excitonic" lines were observed. The intensities of these lines are not proportional to the intensities of photoionization absorption bands, i.e. to the concentration of the Fe^{3+} centers. Variation of more than one order of magnitude was observed for different semiconductors and for different crystals of the same material. These results suggest that only some iron centers are responsible for the "excitonic" spectra.
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EN
Publisher

Year
Volume
82
Issue
5
Pages
911-913
Physical description
Dates
published
1992-11
Contributors
author
  • Institute of Experimental Physics, Warsaw University, Hoża 69, 00-681 Warszawa, Poland
author
  • Institute of Experimental Physics, Warsaw University, Hoża 69, 00-681 Warszawa, Poland
author
  • Institute of Experimental Physics, Warsaw University, Hoża 69, 00-681 Warszawa, Poland
author
  • Institute of Experimental Physics, Warsaw University, Hoża 69, 00-681 Warszawa, Poland
References
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YADDA identifier
bwmeta1.element.bwnjournal-article-appv82z550kz
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