2016
DOI: 10.15330/pcss.17.3.342-345
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Effect of the Substitution of S for Se on the Optical Absorption Spectra of the Glassy Alloys Ag1,6Ga1,6Ge31,2S61,6-xSex

Abstract: Вплив заміни S на Se на спектри оптичного поглинання склоподібних сплавів Ag 1,6 Ga 1,6 Ge 31,2 S 61,6-x Se x 1 Східноєвропейський національний університет імені Лесі Українки, просп. Волі, 13, Луцьк, 43025, e-mail: Kevshin_A@ukr.net 2 Луцький національний технічний, ВУЛ. Львівська, 75, Луцьк, 43018 Досліджено спектри оптичного поглинання склоподібних сплавів Ag 1,6 Ga 1,6 Ge 31,2 S 61,6-x Se x в спектралному інтервалі 400 -1000 нм при температурах 80 та 300 К. Встановлено, що при збільшенні вмісту Se від… Show more

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“…The glassy alloy Ag 0.05 Ga 0.05 Ge 0.95 S 2 is characterized by the largest transparency window [8] among other glasses of the AgGaSe 2 + GeS 2 ⇔ AgGaS 2 + GeSe 2 system. This alloy was doped with an Er 2 S 3 admixture.…”
Section: Photoluminescence In Chalcogenide Glassesmentioning
confidence: 99%
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“…The glassy alloy Ag 0.05 Ga 0.05 Ge 0.95 S 2 is characterized by the largest transparency window [8] among other glasses of the AgGaSe 2 + GeS 2 ⇔ AgGaS 2 + GeSe 2 system. This alloy was doped with an Er 2 S 3 admixture.…”
Section: Photoluminescence In Chalcogenide Glassesmentioning
confidence: 99%
“…The intensity of the luminescence maximum depends on the content of Se (when sulfur is substituted with selenium, Figure 3b). The dependence is complex and to a large extent is due to the change in the level of luminescence excitation (caused by the shift of the absorption edge with increasing concentration of selenium in the alloy [8]). An important feature of the luminescence spectrum is that the position of the luminescence maximum is close to the center of the band gap (as determined by the position of optical absorption edge [8]).…”
Section: Photoluminescence In Chalcogenide Glassesmentioning
confidence: 99%
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