2 December 2008 Vibrational and structural properties of unmodified and radiation-modified chalcogenide glasses for advanced optical applications
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Proceedings Volume 7142, Sixth International Conference on Advanced Optical Materials and Devices (AOMD-6); 71420B (2008) https://doi.org/10.1117/12.815947
Event: Sixth International Conference on Advanced Optical Materials and Devices, 2008, Riga, Latvia
Abstract
Vibrational and structural properties of GexSb40 xS60 (x = 25, 27, 35) chalcogeide glasses are studied in unmodified and γ-radiation-modified states by using infrared spectroscopy, high-energy synchrotron x-ray diffraction and extended x-ray absorption fine structure spectroscopy. An agreement between radiation-induced structural changes and vibrational properties measured is established. It is suggested that the atomic pairs with wrong coordination created in the framework of coordination topological defect formation concept play a key role in the formation of radiation-modified state of the investigated glasses. Advantages and disadvantages of post-technological radiation-modification of chalcogenide glasses are considered within configuration coordinate model for description of unmodified and radiationmodified states.
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Taras Kavetskyy, Taras Kavetskyy, Oleh Shpotyuk, Oleh Shpotyuk, Valentyna Balitska, Valentyna Balitska, Galyna Dovbeshko, Galyna Dovbeshko, Ivan Blonskyy, Ivan Blonskyy, Ivan Kaban, Ivan Kaban, Walter Hoyer, Walter Hoyer, Mihail Iovu, Mihail Iovu, Andrei Andriesh, Andrei Andriesh, } "Vibrational and structural properties of unmodified and radiation-modified chalcogenide glasses for advanced optical applications", Proc. SPIE 7142, Sixth International Conference on Advanced Optical Materials and Devices (AOMD-6), 71420B (2 December 2008); doi: 10.1117/12.815947; https://doi.org/10.1117/12.815947
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