IRTUM – Institutional Repository of the Technical University of Moldova
Band structure and optical constants of SnS2 single crystals
JavaScript is disabled for your browser. Some features of this site may not work without it.
| dc.contributor.author | RUSU, E. V. | |
| dc.contributor.author | SYRBU, N. N. | |
| dc.contributor.author | TIRON, A. V. | |
| dc.contributor.author | ZALAMAI, V. V. | |
| dc.date.accessioned | 2020-12-22T14:39:43Z | |
| dc.date.available | 2020-12-22T14:39:43Z | |
| dc.date.issued | 2019 | |
| dc.identifier.citation | RUSU, E. V., SYRBU, N. N., TIRON, A. V. et al. Band structure and optical constants of SnS2 single crystals. In: Materials Research Express, 2019, V. 6, Nr. 4, pp. 046203. ISSN 1573-9228. | en_US |
| dc.identifier.uri | https://doi.org/10.1088/2053-1591/aafb25 | |
| dc.identifier.uri | http://repository.utm.md/handle/5014/12255 | |
| dc.description | Access full text - https://doi.org/10.1088/2053-1591/aafb25 | en_US |
| dc.description.abstract | Absorption (K), reflection (R) and wavelength modulated transmission (ΔT/Δλ) spectra in SnS2 crystals of hexagonal phase (space group P63/mmc) were investigated in temperature interval from 300 to 10 K. It was established that indirect band gap (Egind - 2.403 eV) is due to unpolarized indirect transitions between Γ and M points of Brillouin zone. A minimal direct band gap (Egdir - 2.623 eV) in E∣∣b polarization is formed by direct allowed transitions and in E⊥b polarization (2.698 eV) by forbidden transitions in Γ point of Brillouin zone. A magnitude of refractive index (n) changes from 3 to 4 and has a maximum at 2.6 eV. Optical functions (n, k, ε1 and ε2) in energy region E > Eg (3–6.5 eV) were calculated from measured reflection spectra by Kramers-Kronig analysis. Features observed in reflection and optical function spectra were assigned to electron transitions. This electron transitions were localized in framework of theoretically calculated band struct. | en_US |
| dc.language.iso | en | en_US |
| dc.publisher | IOP Publishing | 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 | spectra | en_US |
| dc.subject | crystals | en_US |
| dc.subject | electron transitions | en_US |
| dc.title | Band structure and optical constants of SnS2 single crystals | en_US |
| dc.type | Article | en_US |
Files in this item
The following license files are associated with this item:
This item appears in the following Collection(s)
Except where otherwise noted, this item's license is described as Attribution-NonCommercial-NoDerivs 3.0 United States