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http://elar.urfu.ru/handle/10995/112278
Title: | A Magneto-Reflectivity Study of CuGaSe2 Single Crystals |
Authors: | Yakushev, M. V. Mudryi, A. V. Faugeras, C. Martin, R. W. |
Issue Date: | 2019 |
Publisher: | Wiley-VCH Verlag Wiley |
Citation: | A Magneto-Reflectivity Study of CuGaSe2 Single Crystals / M. V. Yakushev, A. V. Mudryi, C. Faugeras et al. // Physica Status Solidi - Rapid Research Letters. — 2019. — Vol. 13. — Iss. 2. — 1800374. |
Abstract: | CuGaSe2 single crystals are studied using magneto-reflectivity at 4.2 K in magnetic fields B up to 20 T. The A and B free excitons, observed in the optical reflectivity spectra, blue shift with increasing B. A low-field perturbation approach within the anisotropic hydrogenic model is used to fit the dependence of the spectral position of these excitons on B. The A and B exciton reduced masses of 0.115 m0 and 0.108 m0 (m0 is the free electron mass), Rydbergs of 12.9 and 12.2 meV, Bohr radii 5.08 and 5.4 nm, and effective hole masses of 0.64m0 and 0.48 m0, respectively, are determined. © 2018 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim. |
Keywords: | CUGASE2 EXCITONS MAGNETIC FIELD CHROMIUM COMPOUNDS COPPER COMPOUNDS ELECTRONS EXCITONS GALLIUM COMPOUNDS MAGNETIC FIELDS REFLECTION SELENIUM COMPOUNDS BOHR RADIUS CUGASE2 FREE ELECTRON MASS FREE EXCITONS HYDROGENIC MODELS OPTICAL REFLECTIVITY REDUCED MASS SPECTRAL POSITION SINGLE CRYSTALS |
URI: | http://elar.urfu.ru/handle/10995/112278 |
Access: | info:eu-repo/semantics/openAccess |
SCOPUS ID: | 85055710230 |
PURE ID: | 9056723 |
ISSN: | 1862-6254 |
DOI: | 10.1002/pssr.201800374 |
metadata.dc.description.sponsorship: | The crystal growth was supported by the FASO of Russia (“Quantum” No 01201463332), the magneto-optical study was supported by the Russian Science Foundation (grant 17-12-01500) and LNCMI-CNRS (EMFL). |
RSCF project card: | 17-12-01500 |
Appears in Collections: | Научные публикации ученых УрФУ, проиндексированные в SCOPUS и WoS CC |
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