DYNAMICS OF ENERGY-TRANSFER IN TB1-XEUXP5O14 CRYSTALS

被引：15

作者：

ANH, TK

STREK, W

机构：

[1] POLISH ACAD SCI,INST PHYS,WARSAW 42,POLAND

[2] POLISH ACAD SCI,INST LOW TEMP & STRUCT RES,PL-50329 WROCLAW,POLAND

来源：

JOURNAL OF LUMINESCENCE | 1988年 / 42卷 / 04期

关键词：

Crystals - Europium Compounds - Luminescence - Relaxation Processes;

D O I：

10.1016/0022-2313(88)90040-3

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

The dynamics of donor-donor and donor-acceptor interactions was studied in the Tb1-xEuxP5O14 crystals. It was found that the decay curves of the 5D4 emission show an exponential behavior for the whole Eu3+ concentration range at low temperature. Nonexponential decay was observed, however, for high Eu3+ concentration at room temperature. The mechanism of energy transfer processes between Tb3+ and Eu3+ is discussed in terms of both the non-resonant and the anti-Stokes resonant cross relaxations contributing to the deactivation of the 5D4 state.

引用

页码：205 / 210

页数：6

共 18 条

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