Journal of Physical Studies 16(1/2), Article 1601 [6 pages] (2012) DOI: https://doi.org/10.30970/jps.16.1601 THE STRCTURE AND CHEMICAL ORDER OF GexAsxSe1-2x GLASSES D. Chalyy{1}, M. Shpotyuk{2,3}, R. Golovchak{2}, S. Ubizskii{3}, O. Shpotyuk{2} 1Lviv State University of Vital Activity Safety, 35, Kleparivska St., Lviv, UA--79000, Ukraine, 2Scientific Research Company ‟Carat”, 202, Stryjska St., Lviv, UA--79031, Ukraine, 3Lviv Polytechnic National University, 12, Bandery St., Lviv, UA--79013, Ukraine

The structure and chemical order of Ge-As-Se glasses were studied along Ge\textit{${}_{x}$}As\textit{${}_{x}$}Se${}_{1-2}$\textit{${}_{x}$} cut-section by high-resolution X-ray photoelectron stectroscopy. It was shown that the processes of cation-cation bonds formation begin at \textit{x} $>$ 0.09 and enhance at \textit{x} $>$ 0.16. The phase separation of As and Ge was obsereved in the glasses with \textit{x} $>$ 0.20.

PACS number(s): 61.43.Fs, 64.70.Pf, 71.23.Cq, 82.80.Pv

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