Spectroscopic properties of LaAlO3:Tm3+ nanocrystals

被引：10
|
作者：
Deren, P. J. [1 ]
Sztolberg, D. [2 ]
Brzostowski, B. [2 ]
Walerczyk, W. [1 ]
机构：
[1] Polish Acad Sci, Inst Low Temp & Struct Res, Ul Okolna 2,POB 1410, PL-50950 Wroclaw, Poland
[2] Univ Zielona Gora, Inst Phys, Ul Prof Szafrana 4a, PL-65516 Zielona Gora, Poland
来源：
OPTICAL MATERIALS | 2018年 / 83卷
关键词：
Thulium; Perovskite; LaAlO3; Nanocrystal; TM3+ IONS; SIZE;
D O I：
10.1016/j.optmat.2018.05.058
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
LaAlO3 samples doped with thulium ions were prepared by the sol-gel method. The samples were annealed at 800 and 1100 degrees C. The sizes of the nanocrystals were 28 and 70 nm for the 800 and 1100 degrees C sample, respectively. Nanocrystals with 0.5 wt %, 3 wt%, 5 wt%, 7 wt% of Tm3+ were investigated by the spectroscopic means, for comparison data obtained for LaAlO3: Tm3+ single crystal was shown. Absorption, emission, and emission decay times were measured at room temperature in the IR, visible and near UV range. The difference in absorption and emission spectra and luminescence decay time determined by the methods of preparation and size of the samples are investigated.
引用
收藏
页码：68 / 72
页数：5
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