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Proceedings Paper

Growth and characterization of Zn1-xMgxSe mixed crystals
Author(s): Franciszek Firszt; Hanna Meczynska; Stanislaw Legowski; Jacek Szatkowski; U. Falke; Michael Hietschold; Wlodzimierz Paszkowicz; Piotr Dluzewski
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Paper Abstract

This paper deals with experimental study of structural and luminescent properties of Zn1-xMgxSe mixed crystals in the x range from 0.0 to 0.615. These crystals were grown by the high pressure Bridgman method. X-ray diffraction and high resolution electron transmission microscope measurements reveal that for magnesium concentration lower than about x equals 0.18 Zn1-xMgxSe crystallize in sphalerite structure but for higher -- in wurtzite one. The formation of 4H phase and some other polytypes has been found at the composition close to the phase transition. From investigations of luminescence and reflection spectra the dependence of the exciton transition energy on composition has been determined. In-Zn0.9Mg0.1Se-Au structure has been fabricated. Blue-violet, green and yellow electroluminescence was observed in the temperature range from 40 K to room temperature.

Paper Details

Date Published: 14 July 1997
PDF: 8 pages
Proc. SPIE 3178, Solid State Crystals: Growth and Characterization, (14 July 1997); doi: 10.1117/12.280734
Show Author Affiliations
Franciszek Firszt, N. Copernicus Univ. (Poland)
Hanna Meczynska, N. Copernicus Univ. (Poland)
Stanislaw Legowski, N. Copernicus Univ. (Poland)
Jacek Szatkowski, N. Copernicus Univ. (Poland)
U. Falke, Technical Univ. of Chemnitz-Zwickau (Germany)
Michael Hietschold, Technical Univ. of Chemnitz-Zwickau (Germany)
Wlodzimierz Paszkowicz, Institute of Physics (Poland)
Piotr Dluzewski, Institute of Physics (Poland)

Published in SPIE Proceedings Vol. 3178:
Solid State Crystals: Growth and Characterization
Jozef Zmija; Andrzej Majchrowski; Jaroslaw Rutkowski; Jerzy Zielinski, Editor(s)

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