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Photoluminescence spectra of nitrogen implanted GaSe crystals
Date
2008-10-01
Author
KARABULUT, MUHAMMET ALİ
Bilir, G.
Mamedov, G. M.
Seyhan, A.
Turan, Raşit
Metadata
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Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License
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GaSe single crystals were N-implanted along c-axis with ion beams of 10(14) and 10(16) ions/cm(2) doses having energy values of 60 and 100 keV. The photoluminescence (PL) spectra of undoped and N-implanted GaSe crystals were measured at different temperatures. The PL intensity was observed to decrease with increasing implantation dose while the FWHM of the exciton peaks increased. In heavily doped crystals, due to the interaction with the radiation induced disorders, the wave vector selection rules are satisfied and an indirect exciton PL band is observed 36 meV below the direct exciton states.
Subject Keywords
Biophysics
,
Atomic and Molecular Physics, and Optics
,
Biochemistry
,
General Chemistry
,
Condensed Matter Physics
URI
https://hdl.handle.net/11511/39737
Journal
JOURNAL OF LUMINESCENCE
DOI
https://doi.org/10.1016/j.jlumin.2008.02.014
Collections
Department of Physics, Article