Growth and luminescent properties of Pr:KY3F10 single crystal

被引：29
|
作者：
Yoshikawa, A
Kamada, K
Nikl, M
Aoki, K
Sato, H
Pejchal, J
Fukuda, T
机构：
[1] Tohoku Univ, Inst Multidisciplinary Res Adv Mat, Aoba Ku, Sendai, Miyagi 9808577, Japan
[2] ASCR, Inst Phys, Prague 16253, Czech Republic
[3] Stella Chemifa Co Ltd, Chuo Ku, Osaka, Japan
[4] Fukuda Crystal Lab Ltd, Aoba Ku, Sendai, Miyagi 9893204, Japan
来源：
JOURNAL OF CRYSTAL GROWTH | 2005年 / 285卷 / 04期
基金：
日本科学技术振兴机构;
关键词：
crystal growth from the melt; single crystal; Pr3+; 5d-4f transition; scintillator;
D O I：
10.1016/j.jcrysgro.2005.08.052
中图分类号：
O7 [晶体学];
学科分类号：
0702 ; 070205 ; 0703 ; 080501 ;
摘要：
Pr-doped Ky(3)F(10) (Pr:KYF) single crystals were grown by the micro-pulling-down (mu-PD) method. The crystals were transparent with a slightly greenish color, 2.5-3.0 mm in diameter and 35-45 mm in length. Neither visible inclusions nor cracks were observed. Photoluminescence spectra and decay kinetics of Pr:KYF were measured. Emission due to Pr3+ 5d-4f transition, peaking around 260 nm and of the decay time of 24 ns was observed. The short decay time suggests such a Pr-doped material for a scintillator application. To our knowledge, this is the first report of the Pr3+ 5d-4f luminescence transition accomplished in a fluoride host. (c) 2005 Elsevier B.V. All rights reserved.
引用
收藏
页码：445 / 449
页数：5
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