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Please use this identifier to cite or link to this item: http://dspace.univer.kharkov.ua/handle/123456789/934

Название: Thermostimulated implantation of nanoscaled Ag particles into a quartz glass using a CO2 laser beam
Авторы: Ageev, L.A.
Miloslavsky, V.K.
Makovetsky, E.D.
Beloshenko, K.S.
Stronsky, A.V.
Ключевые слова: оптика
кафедра физической оптики
кварц
серебро
лазер
имплантация
формула Максвелла Гарнетта
эффективная диэлектрическая проницаемость
Issue Date: 2007
Издатель: Institute for Single Crystals
Библиографическое описание: Funct. Mater., 2007, Vol. 14, № 1, pp.24-31.
Краткий осмотр (реферат): Coloration of fused quartz with colloidal silver (particle radius a ≈ 3 nm) is realized by irradiation of thin (≈ 10 nm) granular Ag film on a quartz plate by a continuous Gauss beam of CO2 laser (λ = 10.6 μm, P = 30 W). Using the AFM microscopy, a relief of the colored surface has been revealed. It is formed by oval lugs with mean transversal size of about ≈ 0.2 μm and heights of several nanometers. The relief is created due to surface deformation caused by subsurface Ag granules. The measured absorption spectrum of the colloid has shown that the absorption band contour is similar to the Lorentz one, maximum being at ω_m = 4.48*10^15 s^(-1), and half-width is γ = 0.714*10^15 s^(-1). Making use of Maxwell-Garnett theory, it has been found that for this colloid, the filling factor is q ≈ 0.05 to 0.10 and coloration depth h ≈ 50 to 100 nm.
URI: http://dspace.univer.kharkov.ua/handle/123456789/934
ISSN: 1027-5495
Appears in Collections:Наукові роботи. Фізичний факультет

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