Zobrazeno 1 - 10
of 91
pro vyhledávání: '"Serban Georgescu"'
Publikováno v:
Scientific Data, Vol 11, Iss 1, Pp 1-7 (2024)
Abstract In the past decade, substantial global efforts have been devoted to the development of reliable and efficient solutions for early flood warning and monitoring. One of the most common strategies for tackling this challenge involves the applic
Externí odkaz:
https://doaj.org/article/66c0305f64074a5cacc4dfe2eda96fec
Publikováno v:
Proceedings of the Genetic and Evolutionary Computation Conference Companion.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::ba50bf9db8ebe5d82fc03454fb1470eb
https://doi.org/10.1145/3520304.3533965
https://doi.org/10.1145/3520304.3533965
Publikováno v:
Journal of Luminescence. 204:261-268
Judd-Ofelt (JO) analyses are performed on the efficient upconversion oxide phosphor Er3+:BaGd2ZnO5 as well as on the tunable phosphor Eu3+:BaGd2ZnO5. The refractive index of BaGd2ZnO5 found using the luminescence spectrum of Eu3+ is n = 2.17. The JO
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::4191ad3c418f911e599bf1a92b5089bd
https://doi.org/10.1016/j.jlumin.2018.08.008
https://doi.org/10.1016/j.jlumin.2018.08.008
Publikováno v:
Journal of Luminescence. 199:488-491
The Judd-Ofelt analysis of Er3+ in CaSc2O4, presented by the same authors in 2015, is revisited using recently published data concerning the dispersion of the refractive index and taking into account the multisite structure of the luminescent centers
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::961305ff9a938c8048e7b89325cf0b31
https://doi.org/10.1016/j.jlumin.2018.03.086
https://doi.org/10.1016/j.jlumin.2018.03.086
Publikováno v:
Journal of Luminescence. 182:65-70
A method for the measurement and calibration of the excited-state absorption spectra in light-scattering media is developed. The method is applied for the recording and calibration of the excited-state absorption spectra of an erbium-doped langatate
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::b5adf1e36844dea141debe29a57e902a
https://doi.org/10.1016/j.jlumin.2016.10.011
https://doi.org/10.1016/j.jlumin.2016.10.011
Publikováno v:
Journal of Luminescence. 180:376-383
Upconversion luminescence in ceramic samples of CaSc2O4:Er:Yb is investigated. The main upconversion mechanisms, as well as the influence of various cross-relaxation processes on the luminescence emission are discussed. The optimum Yb3+ concentration
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::043dedd2b605054cf0a4e5a7d08bfbd5
https://doi.org/10.1016/j.jlumin.2016.04.042
https://doi.org/10.1016/j.jlumin.2016.04.042
Publikováno v:
Journal of Luminescence. 231:117816
The structure of luminescent centers in the upconversion material Er:Yb:CaSc2O4 is investigated using high-resolution optical spectroscopy methods at low temperature (10K). Two luminescent centers were identified in Er(2 at%):CaSc2O4: one correspondi
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::6e087e11d4be0cc764704ca80bda235d
https://doi.org/10.1016/j.jlumin.2020.117816
https://doi.org/10.1016/j.jlumin.2020.117816
Publikováno v:
Journal of Luminescence. 228:117597
Three phonon sidebands (energies 229 cm-1, 343 cm-1, and 470 cm-1) of Eu3+ in BaGd2ZnO5, associated with the 7F0 → 5D2 transition, are evidenced using excitation spectra monitored on transition 7F0 → 5D2. The corresponding electron-phonon couplin
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::632b5c7afed4f3c417fd18f222d15daa
https://doi.org/10.1016/j.jlumin.2020.117597
https://doi.org/10.1016/j.jlumin.2020.117597
Publikováno v:
Journal of Luminescence. 167:186-192
A Judd–Ofelt analysis of Er3+ in CaSc2O4 ceramic samples is performed. The Judd–Ofelt parameters are found (Ω2=3.88×10−20 cm2, Ω4=1.83×10−20 cm2, Ω6=0.83×10−20 cm2) and the radiative lifetimes of Er3+ energy levels and the branching r
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::c4b120f1f40d3e99d0ac37c39e22b23c
https://doi.org/10.1016/j.jlumin.2015.06.028
https://doi.org/10.1016/j.jlumin.2015.06.028
Publikováno v:
Journal of Luminescence. 166:130-136
The Judd–Ofelt analysis is applied to light-scattering ceramic CaSc 2 O 4 doped with Tm 3+ . The calibration of the Judd–Ofelt parameters is performed by two approaches: (i) using the known magnetic-dipole contribution to the transition intensity
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::f0b513f49833b600c865e37adcdaa1bf
https://doi.org/10.1016/j.jlumin.2015.05.025
https://doi.org/10.1016/j.jlumin.2015.05.025