Impurity centers in ZnSe:Na crystals

COLIBABA, G. V.; NEDEOGLO, D. D.; URSAKI, V. V.

dc.contributor.author	COLIBABA, G. V.
dc.contributor.author	NEDEOGLO, D. D.
dc.contributor.author	URSAKI, V. V.
dc.date.accessioned	2020-11-17T10:22:49Z
dc.date.available	2020-11-17T10:22:49Z
dc.date.issued	2011
dc.identifier.citation	COLIBABA, G. V., NEDEOGLO, D. D., URSAKI, V. V. Impurity centers in ZnSe:Na crystals. In: Journal of Luminescence, 2011, V. 131, Nr. 9, pp. 1966-1970. ISSN 0022-2313.	en_US
dc.identifier.uri	https://doi.org/10.1016/j.jlumin.2011.03.069
dc.identifier.uri	http://repository.utm.md/handle/5014/11529
dc.description	Access full text - https://doi.org/10.1016/j.jlumin.2011.03.069	en_US
dc.description.abstract	The influence of sodium impurity on photoluminescence (PL) spectra of ZnSe crystals doped in a growth process from a Se+Na melt is investigated. It is shown that the introduction of the impurity results in emergence of emission bands in the PL spectra due to the recombination of exciton impurity complexes associated with both donors and hydrogen-like acceptors. Apart from that, four bands generated by donor–acceptor pairs recombination and a band produced by electronic transitions from the conduction band to a shallow acceptor are discussed. As a result of the analysis it is concluded that Na impurity forms in ZnSe lattice NaZn hydrogen-like acceptors with activation energy of 105±3meV, Nai donor centers with activation energy of 18±3meV, as well as NaZnVSe and NaiNaZn associative donors with activation energy of 35±3 and 52±9meV, respectively.	en_US
dc.language.iso	en	en_US
dc.publisher	ELSEVIER	en_US
dc.rights	Attribution-NonCommercial-NoDerivs 3.0 United States	*
dc.rights.uri	http://creativecommons.org/licenses/by-nc-nd/3.0/us/	*
dc.subject	photoluminescence spectra	en_US
dc.subject	photoluminescence	en_US
dc.subject	crystals	en_US
dc.subject	acceptors	en_US
dc.subject	excitons	en_US
dc.subject	associative donors	en_US
dc.title	Impurity centers in ZnSe:Na crystals	en_US
dc.type	Article	en_US