Study of platinum impurity atom state in vitreous arsenic selenide

被引：1
|
作者：
Bordovsky, G. A. [1 ]
Marchenko, A. V. [1 ]
Rabchanova, T. Yu [1 ]
Seregin, P. P. [1 ]
Terukov, E. I. [2 ]
Ali, H. M. [3 ]
机构：
[1] Herzen State Pedag Univ Russia, St Petersburg 191186, Russia
[2] Russian Acad Sci, AF Ioffe Physicotech Inst, St Petersburg 194021, Russia
[3] Sohag Univ, Fac Sci, Dept Phys, Sohag 82524, Egypt
来源：
SEMICONDUCTORS | 2012年 / 46卷 / 07期
关键词：
LOCALIZED PARAMAGNETIC STATES; AMORPHOUS-SEMICONDUCTORS; CHALCOGENIDES; MODEL; GAP; TIN;
D O I：
10.1134/S1063782612070056
中图分类号：
O469 [凝聚态物理学];
学科分类号：
070205 ;
摘要：
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.
引用
收藏
页码：878 / 881
页数：4
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