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0216U005645,
0115U001630
,
The development of radiospectroscopic diagnosis methods of functional nanostructured materials for opto- nanoelectronics and medicine.
Konchits Andriy Andriyovich,
16-03-2016
Institute of Semiconductor Physics of National Academy of Sciences of Ukrain
Discovered mechanisms paramagnetic defects erbium doped and - exposed chalcogenide glasses Ag0.05Ga0.05Ge0.95S2 Er2S3. Established the nature of the vacancy defects, defined their spectroscopic properties (g || = 2.0180, g = 2.0088) and concentration dependence on the dose and erbium content. With measurements of magnetic susceptibility, the presence of two subsystems - paramagnetic and ferromagnetic caused by isolated ions Er3 + clusters and erbium, respectively. Based on the analysis of PL spectra of the model of 4f-4f transitions to power erbium ions in the glass exposed - considering the important role of cross-relaxation processes. It is shown that the increase in the concentration of radiation defects and erbium clustering significantly affect the radiative properties of glasses.
І.Б. Янчук
І.П. Ворона
Б.Д. Шаніна
В.В. Носенко
В.О. Юхимчук
В.Я. Братусь
Р.С. Мельник
С.В. Красновид
2020-04-02
Updated: 2025-12-07
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