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http://cris.utm.md/handle/5014/1897| Title: | Interference of additional waves of excitonic polaritons in SnSe single crystals | Authors: | ZALAMAI, Victor TIRON, Andrei Cristea, E. Rusu, E. V. |
Keywords: | tinmonoselenide;optical spectroscopy;excitonic polaritons;electron transitions;direct transitions | Issue Date: | 2022 | Source: | ZALAMAI, V.V., TIRON, A.V., CRISTEA, E., RUSU, E.V. Interference of additional waves of excitonic polaritons in SnSe single crystals. International Scientific Conference “Materials and Structures of Modern Electronics” MSME-2022, 12 — 14 October 2022, Minsk, Belarus. ISBN 978-985-881-440-3 | Project: | 20.80009.5007.20 22.80013.5007.4BL |
Conference: | Materials and Structures of Modern Electronics | Abstract: | Absorption, reflection, photoluminescence, wavelength modulation reflection and transmission spectra at temperatures 300–10 K in energy rage 1.1–1.5 eV were investigated. Contours of excitonic reflection spectra were calculated and the binding energy (Rydberg constant), translation (M) and reduced (µ *) effective masses of excitons were determined. Effective masses of electrons and holes were estimated. In the region of A and B excitonic series sparse and thick interference fringes were observed in measured spectra. The sparse fringes are due to Fabry-Perot interference of excitonic polaritons of lower polaritonic branch (ωT). The thick interference is caused by the mutual interference of excitonic polaritons of lower (ωT) and upper (ωL) polaritonic branches |
URI: | http://cris.utm.md/handle/5014/1897 | ISBN: | 978-985-881-440-3 |
| Appears in Collections: | Proceedings Papers |
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