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Study of platinum impurity atom state in vitreous arsenic selenide |
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| Authors: | G. A. Bordovsky A. V. Marchenko T. Yu. Rabchanova P. P. Seregin E. I. Terukov H. M. Ali |
| Affiliation: | 1. Herzen State Pedagogical University of Russia, St. Petersburg, 191186, Russia 2. Ioffe Physicotechnical Institute, Russian Academy of Sciences, St. Petersburg, 194021, Russia 3. Physics Department, Faculty of Science, Sohag University, 82524, Sohag, Egypt |
| Abstract: | Platinum atoms in the structure of As2Se3 glass are stabilized in the form of Pt2+ and Pt4+ ions and correspond to ionized states of the amphoteric two-electron center with negative correlation energy (Pt2+ is an ionized acceptor, and Pt4+ is an ionized donor), whereas the neutral state of the Pt3+ center appears to be unstable. |
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