Conţinutul numărului revistei |
Articolul precedent |
Articolul urmator |
120 0 |
SM ISO690:2012 NEDEOGLO, Natalia, AVDONIN, A., IVANOVA, Galina, NEDEOGLO, Dumitru, KOLIBABA, Gleb, SIRKELI, Vadim. Excitonic luminescence of ZnSe single crystals doped with Au. In: Journal of Luminescence, 2005, vol. 112, pp. 62-65. ISSN 0022-2313. DOI: https://doi.org/10.1016/j.jlumin.2004.09.084 |
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Journal of Luminescence | ||||||
Volumul 112 / 2005 / ISSN 0022-2313 | ||||||
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DOI:https://doi.org/10.1016/j.jlumin.2004.09.084 | ||||||
Pag. 62-65 | ||||||
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Rezumat | ||||||
Photoluminescence spectra of ZnSe single crystals doped with Au during a long high-temperature treatment of as-grown crystals in Zn+Au or Se+Au melts are investigated in the temperature range from 83 to 300 K. The Au-doping from Zn+Au melt leads to the formation of both simple defects (Aui donors and AuZn acceptors) and acceptor associates (AuZn-Au i). The edge luminescence is attributed to radiative annihilation of Aui and VSe donor-bound excitons. The edge spectra of the crystals doped with Au from Se+Au melt contain the band ascribed to radiative annihilation of AuZn acceptor-bound excitons. |
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Cuvinte-cheie defects, Excitons, photoluminescence |
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