NDLI: Photoluminescence Spectra of ZnS:Al Crystals Annealed in a Melt with Bismuth and Chlorine Ions

Content Provider	Springer Nature Link
Author	Korotkov, V. A. Bruk, L. I. Sobolevskaya, R. L. Sushkevich, K. D.
Copyright Year	2002
Abstract	The results of the temperature investigations (77–520 K) of the photoluminescence (PhL) of low‐ohmage ZnS monocrystals annealed in bismuth‐based melts are presented. It is shown that the ion composition of the annealing medium produces a determining effect on the formation of an impurity‐defect composition of the radiative centers. The dominant contribution to the PhL radiation is attributed to the centers based on the vacancies of sulfur and zinc and aluminum and chlorine. In the near‐surface region and in the bulk of the crystal, the PhL spectra differ. The PhL spectra in the near‐surface region of the crystal are determined by the complex bismuth centers and correspond to the characteristic features of the intracenter transitions. We propose two possible models of radiative centers: (V$_{Zn}$ $^{/}$‐Bi$_{Zn}$ $^{•}$)$^{times}$ and DX centers. It has been found that the simultaneous action of the radiation from a pulsed nitrogen laser and the heating at a temperature from 410 to 518 K destroy the radiative bismuth centers and lead to the formation of precipitates Bi$_{2}$S$_{3}$ and BiS$_{2}$.
Starting Page	260
Ending Page	264
Page Count	5
File Format	PDF
ISSN	00219037
Journal	Journal of Applied Spectroscopy
Volume Number	69
Issue Number	2
e-ISSN	15738647
Language	English
Publisher	Kluwer Academic Publishers-Plenum Publishers
Publisher Date	2002-01-01
Publisher Place	New York
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Analytical Chemistry Atomic and Molecular Structure and Spectra
Content Type	Text
Resource Type	Article
Subject	Spectroscopy Condensed Matter Physics

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