Optical properties of Ho3+- and Ho3+/Yb3+- modified PSN-PMN-PT crystals

被引：8
|
作者：
He, Aiguo [1 ]
Xi, Zengzhe [1 ]
Li, Xiaojuan [1 ]
Long, Wei [1 ]
Fang, Pinyang [1 ]
Zhao, Jin [1 ]
Yu, Haibo [1 ]
Kong, Yaling [1 ]
机构：
[1] Xian Technol Univ, Sch Mat & Chem Engn, Shaanxi Key Lab Photoelect Funct Mat & Devices, Xian 710021, Shaanxi, Peoples R China
来源：
MATERIALS LETTERS | 2018年 / 219卷
基金：
中国国家自然科学基金;
关键词：
Ferroelectrics; Crystal growth; Luminescence; Energy level lifetime; Absolute QY-UC; UP-CONVERSION LUMINESCENCE; SINGLE-CRYSTALS; ENERGY-TRANSFER; CERAMICS; GROWTH; GLASSES;
D O I：
10.1016/j.matlet.2018.02.071
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Pure, Ho3+-and Ho3+/Yb3+-modified PSN-PMN-PT crystals are grown by using the flux method. A series of absorption peaks related to Ho3+ and Yb3+ ions are detected at VIS-NIR bands. Under the excitation of 980 nm laser, bright UC PLs are observed for Ho3+-and Ho3+/Yb3+-modified systems. The lifetime from F-5(4)/S-5(2) energy level of Ho3+ and absolute QY-UC for Ho3+/Yb3+-modified crystals are 56.15/182.42 ls and 0.056%, respectively. These findings make the PSN-PMN-PT crystals become a promising candidate in colour displays, solid-state lasers, and optical memories. It also gives us a expectation to develop ferroelectric crystals to a new multifunctional materials. (C) 2018 Elsevier B.V. All rights reserved.
引用
收藏
页码：64 / 67
页数：4
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