Strong segregation of doped ions in Y2SiO5:Pr3+ nanocrystals

被引：10
|
作者：
Seminko, V. V. [1 ]
Masalov, A. A. [1 ]
Boyko, Yu. I. [1 ]
Malyukin, Yu. V. [1 ]
机构：
[1] Natl Acad Sci Ukraine, Inst Scintillat Mat, Dept Nanoscale Mat, UA-61001 Kharkov, Ukraine
来源：
JOURNAL OF LUMINESCENCE | 2012年 / 132卷 / 09期
关键词：
Pair formation; Segregation; Luminescence decay; Nanocrystals; SPECTROSCOPY; LUMINESCENCE; TEMPERATURE; CRYSTAL; SURFACE;
D O I：
10.1016/j.jlumin.2012.04.056
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
Strong temperature controlled segregation of doped ions in Y2SiO5:Pr3+ nanocrystals detected by spectroscopic techniques is reported. The elastic interactions stimulate Pr3+ segregation thus leading to non-uniform distribution of doped ions, pair formation and, as a consequence, to abnormal low threshold of luminescence concentration quenching for Y2SiO5:Pr3+ nanocrystals. (C) 2012 Elsevier B.V. All rights reserved.
引用
收藏
页码：2443 / 2446
页数：4
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