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Proceedings Paper

Vibrational and structural properties of unmodified and radiation-modified chalcogenide glasses for advanced optical applications
Author(s): Taras Kavetskyy; Oleh Shpotyuk; Valentyna Balitska; Galyna Dovbeshko; Ivan Blonskyy; Ivan Kaban; Walter Hoyer; Mihail Iovu; Andrei Andriesh
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Paper 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.

Paper Details

Date Published: 2 December 2008
PDF: 8 pages
Proc. SPIE 7142, Sixth International Conference on Advanced Optical Materials and Devices (AOMD-6), 71420B (2 December 2008); doi: 10.1117/12.815947
Show Author Affiliations
Taras Kavetskyy, Scientific Research Co. Carat (Ukraine)
Drohobych Ivan Franko State Pedagogical Univ. (Ukraine)
Jan Dlugosz Univ. (Poland)
Oleh Shpotyuk, Scientific Research Co. Carat (Ukraine)
Jan Dlugosz Univ. (Poland)
Valentyna Balitska, Scientific Research Co. Carat (Ukraine)
Galyna Dovbeshko, Institute of Physics of NAS of Ukraine (Ukraine)
Ivan Blonskyy, Institute of Physics of NAS of Ukraine (Ukraine)
Ivan Kaban, Chemnitz Univ. of Technology (Germany)
Walter Hoyer, Chemnitz Univ. of Technology (Germany)
Mihail Iovu, Ctr. of Optoelectronics (Moldova)
Andrei Andriesh, Ctr. of Optoelectronics (Moldova)


Published in SPIE Proceedings Vol. 7142:
Sixth International Conference on Advanced Optical Materials and Devices (AOMD-6)
Janis Spigulis; Andris Krumins; Donats Millers; Andris Sternberg; Inta Muzikante; Andris Ozols; Maris Ozolinsh, Editor(s)

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