The luminescence properties of Sm2+ doped sodium barium strontium phosphate

被引：12

作者：

Huang, Yanlin ^{[2
]}

Kai, Weifang ^{[2
]}

Jang, Kiwan ^{[1
]}

Lee, Ho Sueb ^{[1
]}

Wang, Xigang ^{[2
]}

Zhang, Ying ^{[2
]}

Qin, Dake ^{[2
]}

Jiang, Chanfang ^{[2
]}

机构：

[1] Changwon Natl Univ, Dept Phys, Chang Won 641773, South Korea

[2] Soochow Univ, Sch Mat Engn, Suzhou 215021, Peoples R China

来源：

MATERIALS LETTERS | 2008年 / 62卷 / 12-13期

关键词：

luminescence; optical materials and properties; phosphors; minerals; Sm(2+) ions; reduction;

D O I：

10.1016/j.matlet.2007.10.041

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Sm(3+) ions doped NaSm(0.01)Ba(0.78)Sr(0.21) (PO(4)) was prepared by high-temperature solid-state reaction method. Sm(2+) ions were obtained by X-ray irradiation reduction. The samples were investigated by X-ray diffraction, photoluminescence, and decay curves measurements. It is found that the conversion of Sm(3+)-> Sm(2+) after X-ray irradiation is very efficient in this phosphate. NaSm(0.01)Ba(0.78)Sr(0.21) (PO(4)) is a suitable host for Sm(3+) -> Sm(2+) conversion. The emission of Sm(2+) in this host after excitation into the 4f(5)5d(1) levels shows (5)D(0)-> (7)F(j) (J= 0, 1, 2) emission together with the broad 5d -> 4f emission band at room temperature, while only the (5)D(0)-> (7)F(j), (J=0, 1, 2) emission is observed at lower temperature. (c) 0 2007 Elsevier B.V. All rights reserved.

引用

页码：1913 / 1915

页数：3

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