The effect of zinc ions on the fluorescence spectra of (La, Zn)OF:Sm3+ powder phosphors

被引：7
作者：
Rambabu, U
Sainkar, SR
Hussain, NS
Buddhudu, S
机构：
[1] Ctr Mat Elect Technol, Poona 411008, Maharashtra, India
[2] Natl Chem Lab, Special Instruments Lab, Poona 411008, Maharashtra, India
[3] Sri Venkateswara Univ, Dept Phys, Tirupati 517502, Andhra Pradesh, India
来源：
SOLID STATE COMMUNICATIONS | 1999年 / 110卷 / 12期
关键词：
scanning and transmission electron microscopy; luminescence;
D O I：
10.1016/S0038-1098(99)00127-1
中图分类号：
O469 [凝聚态物理学];
学科分类号：
070205 ;
摘要：
This paper reports the fluorescence properties of a new series of (La, Zn) OF:Sm3+ powder phosphors. The measured fluorescence spectra were analyzed by computing the color coordinates ((X) over bar, (Y) over bar) and relative fluorescence intensity ratios (ED/ MD). A bright yellowish-orange color was observed from these powder phosphors under a UV-source due to the confirmation of the transitions (4)G(5/2) --> H-6(5/2), (4)G(5/2) --> H-6(7/2), and (4)G(5/2) --> H-6(9/2). Scanning electron microscopic studies were performed to understand the average grain size of the synthesized powder phosphors. (C) 1999 Elsevier Science Ltd. All rights reserved.
引用
收藏
页码：685 / 690
页数：6
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