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

页码：2443 / 2446

页数：4

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