Lanthanide 4f-level location in lanthanide doped and cerium-lanthanide codoped NaLaF4 by photo- and thermoluminescence

被引：55

作者：

Krumpel, A. H. ^{[1
]}

van der Kolk, E. ^{[1
]}

Zeelenberg, D. ^{[1
]}

Bos, A. J. J. ^{[1
]}

Kraemer, K. W. ^{[2
]}

Dorenbos, P. ^{[1
]}

机构：

[1] Delft Univ Technol, Fac Sci Appl, NL-2629 JB Delft, Netherlands

[2] Univ Bern, Dept Chem & Biochem, CH-3000 Bern 9, Switzerland

来源：

JOURNAL OF APPLIED PHYSICS | 2008年 / 104卷 / 07期

关键词：

D O I：

10.1063/1.2955776

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

Photo- and thermoluminescence (TL) spectra of NaLaF4:Ln(3+) (Ln=Ce,Pr,Nd,Sm,Eu,Gd,Tb,Dy,Ho,Er,Tm) and NaLaF4:Ce3+, Ln(3+) (Ln=Nd,Sm,Ho,Er,Tm) are presented and used together with the empirical Dorenbos model in order to establish the 4f energy level positions of all tri- and divalent lanthanide ions doped in NaLaF4. The information will be presented in the form of an energy level diagram. It is shown that in addition to this diagram only two assumptions, viz., the presence of two host related electron traps and the presence of V-k-centers, are necessary for explaining the lanthanide-specific TL glow curves of both Ln mono- and Ce-Ln codoped NaLaF4. (c) 2008 American Institute of Physics. [DOI:10.1063/1.2955776]

引用

页数：10

共 25 条

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