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

页码：22 / 27

页数：6

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