Influence of isovalent doping on the cathodoluminescence of Li2B4O7:A (A = K, Cu, Ag) single crystals

被引：0
|
作者：
Adamiv, V. T. [1 ]
Savchyn, V. P. [2 ]
Savchyn, P., V [3 ]
Teslyuk, I. M. [1 ]
Burak, Ya, V [1 ]
机构：
[1] Inst Phys Opt, 23 Dragomanov Str, UA-79005 Lvov, Ukraine
[2] I Franko Natl Lviv Univ, Dept Elect, UA-79005 Lvov, Ukraine
[3] I Franko Natl Lviv Univ, Phys Dept, UA-79005 Lvov, Ukraine
来源：
FUNCTIONAL MATERIALS | 2009年 / 16卷 / 03期
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中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
The study results of cathodoluminescence (CL) of isovalently doped Li2B4O7:A single crystals (A = K, Cu, Ag) are reported. The main CL emission mechanism of undoped Li2B4O7 is the annihilation of self-trapped excitons (STE). The Cu and Ag impurities have their intrinsic emission bands in CL spectra which are overlaid onto Li2B4O7 STE band about 3.65 eV. The models of CL centers and mechanisms in Li2B4O7:A single crystals are proposed.
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页码：247 / 252
页数：6
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