Publikace detail

Photoinduced polymerization in As15S85 chalcogenide glasses: influence of thermal history

Autoři: Kolář Jakub | Yannopoulos Spyros N. | Střižík Lukáš | Kohoutek Tomáš | Wágner Tomáš

Rok: 2012

Druh publikace: ostatní do riv

Strana od-do: nestránkováno

Tituly:

Jazyk	Název	Abstrakt	Klíčová slova
cze	Photoinduced polymerization in As15S85 chalcogenide glasses: influence of thermal history	The starting glass with the composition As15S85, used for this study, was prepared by melt-quenching technique. The initial quantity was divided into three parts and each one was subsequently remelted and cooled down under different conditions. Parts of these three glasses with different thermal history were further annealed by different temperatures. Finally, 12 bulk glasses with the same composition but different thermal history were prepared. Structural changes were studied via Raman spectroscopy using resonant (441.6 nm) and non-resonant (1064 nm) conditions. In addition to bulk glasses, also their solutions in butylamine and thin layers, prepared from the solutions by spin coating, were studied as well. Comparison of Raman spectra obtained by resonant and non-resonant conditions allow us to discuss photoinduced structural changes in the samples with different thermal history.	fotoindukce; chalkogenidová skla; Ramanova spektroskopie
eng	Photoinduced polymerization in As15S85 chalcogenide glasses: influence of thermal history	The starting glass with the composition As15S85, used for this study, was prepared by melt-quenching technique. The initial quantity was divided into three parts and each one was subsequently remelted and cooled down under different conditions. Parts of these three glasses with different thermal history were further annealed by different temperatures. Finally, 12 bulk glasses with the same composition but different thermal history were prepared. Structural changes were studied via Raman spectroscopy using resonant (441.6 nm) and non-resonant (1064 nm) conditions. In addition to bulk glasses, also their solutions in butylamine and thin layers, prepared from the solutions by spin coating, were studied as well. Comparison of Raman spectra obtained by resonant and non-resonant conditions allow us to discuss photoinduced structural changes in the samples with different thermal history.	chalcogenide glasses; photoinduced changes; Raman spectroscopy

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