Optical spectroscopy of Eu3+ and Tb3+ doped glass ceramics containing LiYbF4 nanocrystals

被引：71

作者：

Chen, Daqin ^{[1
]}

Yu, Yunlong ^{[1
]}

Huang, Ping ^{[1
]}

Weng, Fangyi ^{[1
]}

Lin, Hang ^{[1
]}

Wang, Yuansheng ^{[1
]}

机构：

[1] Chinese Acad Sci, Fujian Inst Res Struct Matter, State Key Lab Struct Chem, Fuzhou 350002, Fujian, Peoples R China

来源：

APPLIED PHYSICS LETTERS | 2009年 / 94卷 / 04期

基金：

中国国家自然科学基金;

关键词：

europium; glass ceramics; heat treatment; lithium compounds; luminescence; nanofabrication; nanostructured materials; Stark effect; terbium; COOPERATIVE ENERGY-TRANSFER; UP-CONVERSION LUMINESCENCE; TRANSPARENT; ER3+;

D O I：

10.1063/1.3076111

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

The Eu3+ and Tb3+ doped glass ceramics containing tetragonal LiYbF4 nanocrystals were prepared. The Stark splitting emission, the low electric dipole D-5(0)-> F-7(2) transition, and the long lifetime of Eu3+ evidenced the partition of rare earth into LiYbF4. For Tb3+ doped glass ceramic, intense ultraviolet emission of Tb3+: (5)G(6), D-5(3)-> F-7(6) transition via cooperative sensitization of Yb3+ and bright blue cooperative luminescence originated from the coupled state of Yb3+-Yb3+ ionic pairs were achieved under 976 nm excitation, ascribing to the low-phonon-energy environment of rare earth ions enriched in nanocrystals and the efficient Yb3+-Tb3+ or Yb3+-Yb3+ interionic interactions.

引用

页数：3

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