Spectroscopic properties and Judd-Ofelt analysis of LaAlO3 monocrystal doped with Tm3+ ions

被引：15
|
作者：
Deren, P. J. [1 ]
Sztolberg, D. [2 ]
Brzostowski, B. [2 ]
Bondzior, B. [1 ]
机构：
[1] Polish Acad Sci, Inst Low Temp & Struct Res, POB 1410, PL-50950 Wroclaw 2, Poland
[2] Univ Zielona Gora, Inst Phys, Ul Prof Szafrana 4a, PL-65516 Zielona Gora, Poland
来源：
JOURNAL OF LUMINESCENCE | 2016年 / 178卷
关键词：
Perovskite; LaAlO3; Cross-relaxation schemes in Tm3+; Density of states of LaAlO3; Tm3+; RARE-EARTH IONS; LUMINESCENCE PROPERTIES; TRIVALENT LANTHANIDES; CRYSTALS; INTENSITIES; ER3+;
D O I：
10.1016/j.jlumin.2016.05.049
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
LaAlO3 monocrystal doped with 0.5 wt% Tm3+ ions was grown by the Czochralski method. Absorption, emission and emission decay time were measured at 5, 10, 77 and 300 K in the IR, visible and near UV range. Radiative and nonradiative transition rates in LaAlO3 were obtained applying the Judd-Ofelt theory. Additionally our study are supported by DFT calculations, which localize positions of the 4f and 5d ground levels of all divalent and trivalent lanthanides in the LAIO(3) host. The density of states is discussed and interpreted in terms of the optical properties. (C) 2016 Elsevier B.V. All rights reserved.
引用
收藏
页码：400 / 406
页数：7
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