Photoluminescence, cathodoluminescence and Raman investigations of Zn1-xMgxSe mixed crystals

Franciszek Firszt; Stanislaw Legowski; Hanna Meczynska; Jacek Szatkowski; T. Isshiki; M. Shiojiri; Marek Kozielski; Miroslaw Szybowicz; Wlodzimierz Paszkowicz

doi:10.1117/12.280735

14 July 1997 Photoluminescence, cathodoluminescence and Raman investigations of Zn1-xMgxSe mixed crystals

Franciszek Firszt, Stanislaw Legowski, Hanna Meczynska, Jacek Szatkowski, T. Isshiki, M. Shiojiri, Marek Kozielski, Miroslaw Szybowicz, Wlodzimierz Paszkowicz

Author Affiliations +

Proceedings Volume 3178, Solid State Crystals: Growth and Characterization; (1997) https://doi.org/10.1117/12.280735
Event: XII Conference on Solid State Crystals: Materials Science and Applications, 1996, Zakopane, Poland

Abstract

This paper presents results of investigation of photoluminescence (PL) and cathodoluminescence (CL) as well as Raman scattering in Zn_1-xMg_xSe mixed crystals grown by high pressure Bridgman method for 0 less than x less than 0.615. The crystals exhibit yellow-green and blue luminescence from 40 K up to room temperature. The intensity ratio of 'blue' band to the deep levels band increases with increasing magnesium content. Cathodoluminescence microscopy was used to examine the spatial distribution of luminescent centers in a sample. CL images of crystals surface at various wavelengths that correspond to different maxima in the CL spectra were obtained. Raman polarized spectra of Zn_1-xMg_xSe were measured at room temperature (RT). The dependence of phonon energies on composition can be quite well described by the modified random element isodisplacement model.

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Franciszek Firszt, Stanislaw Legowski, Hanna Meczynska, Jacek Szatkowski, T. Isshiki, M. Shiojiri, Marek Kozielski, Miroslaw Szybowicz, and Wlodzimierz Paszkowicz "Photoluminescence, cathodoluminescence and Raman investigations of Zn1-xMgxSe mixed crystals", Proc. SPIE 3178, Solid State Crystals: Growth and Characterization, (14 July 1997); https://doi.org/10.1117/12.280735

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