Optical and electrical properties of polycrystalline ZnSe:Li

被引：2
|
作者：
Davydyuk, GE
Bulatetskii, VV
Manzhara, VS
Proskura, OI
机构：
[1] Lesya Ukrainka State Univ, UA-263025 Lutsk, Volhynia, Ukraine
[2] Natl Acad Sci Ukraine, Inst Phys, UA-03039 Kiev, Ukraine
来源：
INORGANIC MATERIALS | 2002年 / 38卷 / 06期
关键词：
Inorganic Chemistry; Electrical Property; Short Wavelength; ZnSe; Doping Level;
D O I：
10.1023/A:1015801132508
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
ZnSe:Li ceramics were prepared by hot-pressing powder mixtures of ZnSe and LiOH at 1050degreesC under a pressure of 30 MPa. The luminescence spectra of the ceramics are dominated by a red emission centered at 630 nm. With increasing Li concentration, the intensity and width of the red band increase, and the band shifts to shorter wavelengths. The nature of the emission centers and the effect of the doping level on their parameters are discussed. The electrical properties of the ZnSe:Li ceramics can be understood in terms of percolation in heterogeneous systems.
引用
收藏
页码：548 / 551
页数：4
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