Electrical and optical properties of Al3+-intercalated InSe and GaSe

被引：2
|
作者：
Boledzyuk, V. B. [1 ]
Kovalyuk, Z. D. [1 ]
Pyrlya, M. N. [1 ]
Barbutsa, S. G. [1 ]
机构：
[1] Natl Acad Sci Ukraine, Frantsevich Inst Mat Sci Problems, Chernivtsi Branch, UA-58001 Chernovtsy, Ukraine
来源：
INORGANIC MATERIALS | 2013年 / 49卷 / 01期
关键词：
LAYERED CRYSTALS;
D O I：
10.1134/S0020168513010019
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
We have studied the electrochemical, electrical, and optical properties of aluminum-intercalated indium and gallium monoselenides. Electron probe X-ray microanalysis data demonstrate that aluminum ions are incorporated into the host together with their solvation shell. Such Al3+ incorporation leads to changes in the electrical properties of InSe layered crystals when the intercalate concentration reaches the level N (Al) similar to 10(20) to 10(21) cm(-3), which corresponds to the formation of the final reaction product [Al (x) (+) (R-PC)(y)]InSe- (where PC stands for propylene carbonate). At 77 K, the energy position of the exciton peak in the Al (x) InSe and Al (x) GaSe intercalation compounds is a nonmonotonic function of aluminum concentration.
引用
收藏
页码：22 / 27
页数：6
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