Growth and characterization of Zn1-xMgxSe mixed crystals

Franciszek Firszt; Hanna Meczynska; Stanislaw Legowski; Jacek Szatkowski; U. Falke; Michael Hietschold; Wlodzimierz Paszkowicz; Piotr Dluzewski

doi:10.1117/12.280734

14 July 1997 Growth and characterization of Zn1-xMgxSe mixed crystals

Franciszek Firszt, Hanna Meczynska, Stanislaw Legowski, Jacek Szatkowski, U. Falke, Michael Hietschold, Wlodzimierz Paszkowicz, Piotr Dluzewski

Author Affiliations +

Proceedings Volume 3178, Solid State Crystals: Growth and Characterization; (1997) https://doi.org/10.1117/12.280734
Event: XII Conference on Solid State Crystals: Materials Science and Applications, 1996, Zakopane, Poland

Abstract

This paper deals with experimental study of structural and luminescent properties of Zn_1-xMg_xSe 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 Zn_1-xMg_xSe 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-Zn_0.9Mg_0.1Se-Au structure has been fabricated. Blue-violet, green and yellow electroluminescence was observed in the temperature range from 40 K to room temperature.

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Franciszek Firszt, Hanna Meczynska, Stanislaw Legowski, Jacek Szatkowski, U. Falke, Michael Hietschold, Wlodzimierz Paszkowicz, and Piotr Dluzewski "Growth and characterization of Zn1-xMgxSe mixed crystals", Proc. SPIE 3178, Solid State Crystals: Growth and Characterization, (14 July 1997); https://doi.org/10.1117/12.280734

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