OPTICAL, ELECTRICAL, AND ELECTROCHEMICAL PROPERTIES OF INDIUM MONOSELENIDE INTERCALATED WITH IODINE

被引:0
作者
Boledzyuk, V. B. [1 ]
Kovalyuk, Z. D. [1 ]
Pyrlya, M. M. [1 ]
机构
[1] Nat Acad Sci Ukraine, Inst Problems Mat Sci, Chernivtsi Div, 5 I Vilde Str, UA-58001 Chernovtsy, Ukraine
来源
UKRAINIAN JOURNAL OF PHYSICS | 2009年 / 54卷 / 06期
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中图分类号
O4 [物理学];
学科分类号
0702 ;
摘要
We have investigated electrical, optical, and electrochemical properties of layered single crystals of InSe intercalated with iodine ions. By the method of X-ray electron-probe microanalysis, it is found that the insertion of iodine in near-surface layers is more intense that that into the bulk of the samples under study. It is established that the intercalation of indium selenide with iodine leads to a shift of the excitonic maximum to the high-energy region by similar to 9 meV and to an increase of the half-width of the excitonic absorption band by similar to 3 meV. The model of the formation of spatial chains of the intercalant in layered crystals is confirmed.
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页码:582 / 586
页数:5
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