Dopant occupancy and optical properties of Ho3+ in Hf: Ho: LiNbO3 crystal

被引：7

作者：

Dai, Li ^{[1
]}

Jiao, Shanshan ^{[1
]}

Xu, Chao ^{[2
]}

Qian, Zhao ^{[3
]}

Lin, Jiaqi ^{[1
]}

Xu, Yuheng ^{[2
]}

机构：

[1] Harbin Univ Sci & Technol, Appl Sci Coll, Harbin 150080, Peoples R China

[2] Harbin Inst Technol, Dept Appl Chem, Harbin 150001, Peoples R China

[3] Harbin Univ Sci & Technol, Harbin 150080, Peoples R China

来源：

JOURNAL OF LUMINESCENCE | 2014年 / 150卷

基金：

中国国家自然科学基金; 黑龙江省自然科学基金;

关键词：

Hf: Ho: LiNbO3; X-ray powder diffraction spectrum; Optical homogeneity; Absorption spectrum; NEAR-STOICHIOMETRIC LINBO3; IN3+ IONS CONCENTRATION; SEEDED SOLUTION GROWTH; PHOTOREFRACTIVE PROPERTIES; ABSORPTION INTENSITIES; MG; SC;

D O I：

10.1016/j.jlumin.2014.01.037

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

A series of Hf: Ho: LiNbO3 crystals with a fixed concentration of Ho2O3(0.5 mol%) and varied HfO2 were grown. The effect of Hf4+ ion on the dopant occupancy and optical properties of Ho3+ ion in Hf: Ho: LiNbO3 crystals were investigated. To detect the optical properties of the crystals, X-ray diffraction (XRD) patterns and UV-vis spectra were registered. Furthermore, the Judd-Ofelt spectroscopic analysis was employed for the HE Ho: LiNbO3 crystals. The results showed that the Omega(2) and Omega(6) parameters increased with the increase of Hf4+ concentration. Notably, HfO2 incorporation exhibited an intensive effect on the radiative lifetime, but less influence on fluorescence branching ratios. Crown Copyright (C) 2014 Published by Elsevier B.V. All rights reserved.

引用

页码：19 / 24

页数：6

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