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Proceedings Paper

Luminescence in MgxZn1-xSe crystals
Author(s): Franciszek Firszt
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Paper Abstract

Luminescence in ZnSe single crystals doped with isoelectronic Mg has been studied. It has been shown that Mg easily enters substitutionally on a Zn site forming MgxZn1 - xSe mixed crystals with band-gap energy considerably larger than that of `pure' ZnSe. The photoluminescence spectrum of such crystals is dominated by blue and violet emission, the efficiency of which is higher than the efficiency of blue luminescence in `pure' ZnSe. Low voltage blue-violet electroluminescence with maximum emission at 2.98 eV at T equals 45 K and 2.875 eV at room temperature in MgxZn1 - xSe mixed crystals has been demonstrated. What makes this material very promising for future application in constructing blue and violet light emitting diodes is discussed.

Paper Details

Date Published: 15 October 1993
PDF: 4 pages
Proc. SPIE 1845, Liquid and Solid State Crystals: Physics, Technology and Applications, (15 October 1993); doi: 10.1117/12.156928
Show Author Affiliations
Franciszek Firszt, N. Copernicus Univ. (Poland)

Published in SPIE Proceedings Vol. 1845:
Liquid and Solid State Crystals: Physics, Technology and Applications
Jozef Zmija, Editor(s)

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