Optical and structural characterization of KBr crystals doped cadmium bromide (CdBr 2)

In this paper we demonstrate the presence of CdBr 2 and cadmium aggregates in KBr matrix during Czochralski growth of KBr crystals. The chemical decomposition of CdBr 2 due to high temperature of crystallisation and reformation of cadmium bromide seems to be responsible for this effect.

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Bibliographic Details
Published in:Journal of luminescence 2010-04, Vol.130 (4), p.688-691
Main Authors: Bensouici, A., Plaza, J.L., Dieguez, E., Halimi, O., Guerbous, L., Sebais, M.
Format: Article
Language:English
Subjects:
CdBr 2 aggregates
Condensed matter: electronic structure, electrical, magnetic, and optical properties
Cross-disciplinary physics: materials science
rheology
Czochralski technique
Exact sciences and technology
Growth from melts
zone melting and refining
KBr
Materials science
Methods of crystal growth
physics of crystal growth
Optical absorption
Optical properties and condensed-matter spectroscopy and other interactions of matter with particles and radiation
Photoluminescence
Physics
Solid alkali halides
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Description
Summary:In this paper we demonstrate the presence of CdBr 2 and cadmium aggregates in KBr matrix during Czochralski growth of KBr crystals. The chemical decomposition of CdBr 2 due to high temperature of crystallisation and reformation of cadmium bromide seems to be responsible for this effect.
ISSN:0022-2313
1872-7883
DOI:10.1016/j.jlumin.2009.11.020