Luminescence of disordered crystals with langasite structure doped with chromium ions

被引：5
|
作者：
Alyabyeva, L. N. [1 ]
Burkov, V. I. [1 ]
Kotov, V. A. [2 ]
机构：
[1] State Univ, Moscow Inst Phys & Technol, Dolgoprudnyi 141700, Moscow Oblast, Russia
[2] Russian Acad Sci, Kotelnikov Inst Radio Engn & Elect, Moscow 125009, Russia
来源：
JOURNAL OF COMMUNICATIONS TECHNOLOGY AND ELECTRONICS | 2017年 / 62卷 / 02期
基金：
俄罗斯科学基金会; 俄罗斯基础研究基金会;
关键词：
CIRCULAR-DICHROISM SPECTRA; LASER ACTION; CR3+ LUMINESCENCE; CR4+ IONS; SPECTROSCOPY; ABSORPTION; EMISSION; CR-3;
D O I：
10.1134/S1064226917020012
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
The luminescence, absorption and circular dichroism spectra of langasite family crystals La3Ga5-SiO14 and Sr3Ga2Ge4O14 doped with chromium ions (0.1 at %) are studied in the region of 300-1200 nm. It is demonstrated that these spectra contain bands typical of both a Cr3+ ion in an octahedral environment (position 1a) and a Cr4+ ion in a tetrahedral site (position 2d). The intensities of these bands differ considerably.
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收藏
页码：175 / 177
页数：3
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