A1 Refereed original research article in a scientific journal
Magnetic and luminescent properties of chromium-doped ZnSe crystals
Authors: Ivan Radevici, Konstantin Sushkevich, Hannu Huhtinen, Natalia Nedeoglo, Dmitrii Nedeoglo, Petriina Paturi
Publisher: Elsevier Masson SAS
Publication year: 2014
Journal: Solid State Sciences
Journal name in source: Solid State Sciences
Volume: 38
First page : 49
Last page: 54
Number of pages: 6
ISSN: 1293-2558
DOI: https://doi.org/10.1016/j.solidstatesciences.2014.09.015
Web address : http://api.elsevier.com/content/abstract/scopus_id:84907976648
Magnetic and photoluminescent properties of ZnSe:Cr crystals were studied within 5e300 K temperature range. It was shown that, at chromium concentrations below 0.05 at. %, Cr ions form point substitutional defects, which exhibit ferromagnetic properties. As a result, the emission caused by radiative recombination of the chromium-bound excitons appears and the chromium intrashell emission intensity increases. At concentration of the doping impurity higher than 0.05 at. %, chromium starts to form homonuclear pairs, which are antiferromagnetic and also lead to the concentration quenching of the chromium emission bands in ZnSe:Cr crystals photoluminescent spectra.
