Excitonic luminescence of ZnSe single crystals doped with Au
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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

Excitonic luminescence of ZnSe single crystals doped with Au

DOI:https://doi.org/10.1016/j.jlumin.2004.09.084

Pag. 62-65

Nedeoglo Natalia, Avdonin A., Ivanova Galina, Nedeoglo Dumitru, Kolibaba Gleb, Sirkeli Vadim
 
Moldova State University
 
 
Disponibil în IBN: 5 octombrie 2023


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. 

Cuvinte-cheie
defects, Excitons, photoluminescence