Conţinutul numărului revistei |
Articolul precedent |
Articolul urmator |
120 0 |
SM ISO690:2012 RADEVICI, Ivan, SUSHKEVICH, Konstantin, HUHTINEN, Hannu, NEDEOGLO, Natalia, NEDEOGLO, Dumitru, PATURI, Petriina. Magnetic and luminescent properties of chromium-doped ZnSe crystals. In: Solid State Sciences, 2014, vol. 38, pp. 49-54. ISSN 1293-2558. DOI: https://doi.org/10.1016/j.solidstatesciences.2014.09.015 |
EXPORT metadate: Google Scholar Crossref CERIF DataCite Dublin Core |
Solid State Sciences | ||||||
Volumul 38 / 2014 / ISSN 1293-2558 /ISSNe 1873-3085 | ||||||
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DOI:https://doi.org/10.1016/j.solidstatesciences.2014.09.015 | ||||||
Pag. 49-54 | ||||||
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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. |
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Cuvinte-cheie Luminescence, Magnetic phenomena, Magnetic semiconductors, Semiconducting II-VI materials |
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