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Calculation of optical functions of exciton and electron transitions by means of Kramers-Kronig relations in CuAlS2 crystals
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| dc.contributor.author | STAMOV, I. G. | |
| dc.contributor.author | SYRBU, N. N. | |
| dc.contributor.author | KORZUN, B. V. | |
| dc.contributor.author | URSAKI, V. V. | |
| dc.contributor.author | DOROGAN, A. V. | |
| dc.contributor.author | MASNIK, A. | |
| dc.date.accessioned | 2020-09-17T09:23:04Z | |
| dc.date.available | 2020-09-17T09:23:04Z | |
| dc.date.issued | 2013 | |
| dc.identifier.citation | STAMOV, I. G., SYRBU, N. N., KORZUN, B. V., URSAKI, V. V., DOROGAN, A. V., MASNIK, A. Calculation of optical functions of exciton and electron transitions by means of Kramers-Kronig relations in CuAlS2 crystals. In: Moldavian Journal of the Physical Sciences. 2013, Vol. 12, Nr. 1-2, pp. 9-17. ISSN 1810-648X. | en_US |
| dc.identifier.issn | 1810-648X | |
| dc.identifier.uri | http://repository.utm.md/handle/5014/9522 | |
| dc.description.abstract | Excitonic reflection spectra of CuAlS2 crystals were measured at a temperature of 10 K for E||c and Ec polarizations. The shapes of the lines of ground states of Г4 and Г5 excitons were calculated by means of the Kramers-Kronig relations. Exciton parameters and the values of energetic gaps (Г7- Г6, Г6- Г6, and Г7- Г6) were determined. Optical reflection spectra in the depth of absorption band (Еg - 6 eV) were measured at 80 K for E||c and Ec polarizations. Optical functions n, k, ε1, ε2, d2ε1/dE2 and d2ε2/dE2 were calculated for both polarizations. The revealed peculiarities are ascribed to electronic transitions in the frame of theoretical calculations of the band structure for crystals from this group. | en_US |
| dc.language.iso | en | en_US |
| dc.publisher | Academy of Sciences of Moldova | 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 | optoelectronic devices | en_US |
| dc.subject | crystals | en_US |
| dc.subject | Kramers-Kronig relations | en_US |
| dc.subject | exciton transitions | en_US |
| dc.subject | electron transitions | en_US |
| dc.subject | optical functions | en_US |
| dc.title | Calculation of optical functions of exciton and electron transitions by means of Kramers-Kronig relations in CuAlS2 crystals | en_US |
| dc.type | Article | en_US |
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