Excitonic spectra and energy band structure of ZnAl2Se4 crystals

SYRBU, N. N.; ZALAMAI, V. V.; TIRON, A. V.; TIGINYANU, I. M.

dc.contributor.author	SYRBU, N. N.
dc.contributor.author	ZALAMAI, V. V.
dc.contributor.author	TIRON, A. V.
dc.contributor.author	TIGINYANU, I. M.
dc.date.accessioned	2020-12-29T11:14:03Z
dc.date.available	2020-12-29T11:14:03Z
dc.date.issued	2015
dc.identifier.citation	SYRBU, N. N., ZALAMAI, V. V., TIRON, A. V. et al. Excitonic spectra and energy band structure of ZnAl2Se4 crystals. In: Optical Materials, 2015, V. 49, pp. 319-324. ISSN 0925-3467.	en_US
dc.identifier.uri	https://doi.org/10.1016/j.optmat.2015.09.035
dc.identifier.uri	http://repository.utm.md/handle/5014/12334
dc.description	Access full text – https://doi.org/10.1016/j.physb.2013.08.015	en_US
dc.description.abstract	Absorption, reflection and wavelength modulated reflection spectra were investigated in ZnAl2Se4 crystals. The energy positions of ground and excited states for three excitonic series (А, В and С) were determined. The main parameters of excitons and more precise values of energy intervals V1(Γ7)–C1(Γ6), V2(Γ6)–C1(Γ6), and V3(Γ7)–C1(Γ6) were estimated. Values of splitting due to crystal field and spin–orbital interaction were calculated. Effective masses of electrons (mC1∗) and holes (mV1∗, mV2∗, mV3∗) were estimated. Reflection spectra contours in excitonic region were calculated using dispersion equations. Optical functions for E>Eg from measured reflection spectra were assigned on the base of Kramers–Kronig relations.	en_US
dc.language.iso	en	en_US
dc.publisher	Elservier	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	crystals	en_US
dc.subject	chalcogenide semiconductors	en_US
dc.subject	semiconductors	en_US
dc.subject	excitons	en_US
dc.subject	bands	en_US
dc.subject	reflection spectra	en_US
dc.subject	transmission spectra	en_US
dc.subject	Kramers–Kronig analysis	en_US
dc.title	Excitonic spectra and energy band structure of ZnAl2Se4 crystals	en_US
dc.type	Article	en_US