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Proceedings Paper

Photoluminescence, cathodoluminescence and Raman investigations of Zn1-xMgxSe mixed crystals
Author(s): Franciszek Firszt; Stanislaw Legowski; Hanna Meczynska; Jacek Szatkowski; T. Isshiki; M. Shiojiri; Marek Kozielski; Miroslaw Szybowicz; Wlodzimierz Paszkowicz
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Paper Abstract

This paper presents results of investigation of photoluminescence (PL) and cathodoluminescence (CL) as well as Raman scattering in Zn1-xMgxSe 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 Zn1-xMgxSe 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.

Paper Details

Date Published: 14 July 1997
PDF: 4 pages
Proc. SPIE 3178, Solid State Crystals: Growth and Characterization, (14 July 1997); doi: 10.1117/12.280735
Show Author Affiliations
Franciszek Firszt, N. Copernicus Univ. (Poland)
Stanislaw Legowski, N. Copernicus Univ. (Poland)
Hanna Meczynska, N. Copernicus Univ. (Poland)
Jacek Szatkowski, N. Copernicus Univ. (Poland)
T. Isshiki, Kyoto Institute of Technology (Japan)
M. Shiojiri, Kyoto Institute of Technology (Japan)
Marek Kozielski, Poznan Univ. of Technology (Poland)
Miroslaw Szybowicz, Poznan Univ. of Technology (Poland)
Wlodzimierz Paszkowicz, 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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