Zobrazeno 1 - 10
of 30
pro vyhledávání: '"V V, Halyan"'
Publikováno v:
Фізика і хімія твердого тіла, Vol 19, Iss 4, Pp 331-335 (2019)
Glasses of the composition (70–X) mol.% Ga2S3 - 30 mol.% La2S3 - X Er2S3 (at X = 0, 1, 3) were synthesized and the optical absorption spectra at room temperature were studied. Photoluminescence spectra in the 2.53 - 0.73 eV range at 300 and 80 K we
Externí odkaz:
https://doaj.org/article/660de7480347417daa487d5e9540726f
Autor:
V. V. Halyan, A. H. Kevshyn, I. A. Ivashchenko, I. D. Olekseuk, I. V. Danyliuk, G. P. Shavarova
Publikováno v:
Фізика і хімія твердого тіла, Vol 18, Iss 3, Pp 342-346 (2018)
The glasses of the La2S3-Er2S3-Ga2S3 system were synthesized from the melted samples which where quenched in to the cold 25% solution of NaCl. Their optical absorption spectra were studied in the range of 1.2–2.9 eV at 80 K. For doped erbium glasse
Externí odkaz:
https://doaj.org/article/22d99558105e4f8ca475df1d4f63b668
Publikováno v:
Journal of Phase Equilibria and Diffusion. 43:483-494
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::56bf8a98edd857d7e170cdc60b3270e5
https://doi.org/10.1007/s11669-022-00987-0
https://doi.org/10.1007/s11669-022-00987-0
Publikováno v:
Фізика і хімія твердого тіла, Vol 16, Iss 2, Pp 245-252 (2016)
In the paper the features of energy transformation processes in activated with erbium ions laser materials were discussed based on optical transitions in 4f shell of Er3+ ion. Methods of excitation of the luminescence inchalcogenide glasses doped wit
Externí odkaz:
https://doaj.org/article/0f904c1418de464d8e223446ef32c9f8
Publikováno v:
Фізика і хімія твердого тіла, Vol 17, Iss 3, Pp 342-345 (2016)
Optical absorption spectra of the glassy alloys Ag1.6Ga1.6Ge31.2S61.6-xSex in the range of 400-1000 nm at 80 and 300 K have been investigated. It was revealed that with increasing of Se the width of the energy gap of the glasses decreases. In samples
Externí odkaz:
https://doaj.org/article/7c39299d3b75404d9360db930156ebab
Publikováno v:
Applied optics. 60(18)
Erbium-doped chalcohalide glasses of the
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=pmid________::da49ac3712be90524ac129cad429b06e
https://pubmed.ncbi.nlm.nih.gov/34263765
https://pubmed.ncbi.nlm.nih.gov/34263765
Autor:
V. V. Halyan, G. Lakshminarayana, A.M. El Naggar, A.A. Albassam, I. A. Ivashchenko, A.H. Kevshyn
Publikováno v:
Glass Physics and Chemistry. 45:467-471
An opportunity to operate by laser-induced nonlinear optical efficiencies of Ga2S3–La2S3 glasses doped with Er3+ and La3+ ions in the visible and near-infrared spectral ranges was explored. The laser-stimulated nonlinear optical properties were stu
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::df6f79f3838d6a0b731f2c2c9bd8e3fe
https://doi.org/10.1134/s1087659619060142
https://doi.org/10.1134/s1087659619060142
Publikováno v:
Фізика і хімія твердого тіла, Vol 19, Iss 4, Pp 331-335 (2019)
Glasses of the composition (70–X) mol.% Ga2S3 - 30 mol.% La2S3 - X Er2S3 (at X = 0, 1, 3) were synthesized and the optical absorption spectra at room temperature were studied. Photoluminescence spectra in the 2.53 - 0.73 eV range at 300 and 80 K we
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::9a7259255db1c71b5532f3ccca7cfe60
http://journals.pu.if.ua/index.php/pcss/article/view/3325
http://journals.pu.if.ua/index.php/pcss/article/view/3325
Autor:
V.O. Yukhymchuk, Andrzej Suchocki, I.V. Kityk, A.H. Kevshyn, V. V. Halyan, I. D. Olekseyuk, Viktor Strelchuk, Ya. Zhydachevskyy, I. A. Ivashchenko, Michal Piasecki
Publikováno v:
Journal of Non-Crystalline Solids. 498:380-385
An influence of the rare earth ions (La, Er) concentration on the luminescent properties of Ga2S3-La2S3-Er2S3 glasses in the visible and near-infrared spectral region has been studied. The analysis of absorption spectra and luminescence allow underst
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::13def2998d6cbf995b0a13ec066c8d67
https://doi.org/10.1016/j.jnoncrysol.2018.03.024
https://doi.org/10.1016/j.jnoncrysol.2018.03.024
Autor:
O.Y. Khyzhun, V. V. Halyan, I. D. Olekseyuk, O.P. Vovk, P. V. Tyshchenko, A.H. Kevshyn, I. A. Ivashchenko, Y.V. Bulik
Publikováno v:
Physica B: Condensed Matter. 544:10-16
Electronic structure and optical properties were studied for novel (Ga70La30)2S300 and (Ga69.75La29.75Er0.5)2S300 single crystals synthesized by solution-melt technique. In particular, X-ray photoelectron spectroscopy (XPS) was used to measure core-l
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::1f767942eb1c777f7b1097960de9f73e
https://doi.org/10.1016/j.physb.2018.05.023
https://doi.org/10.1016/j.physb.2018.05.023