Thermoluminescence and photostimulated luminescence of calcium halophosphate doped with Eu

被引：9

作者：

Quang, VX ^{[1
]}

Son, NM ^{[1
]}

Yen, PT ^{[1
]}

Mai, TH ^{[1
]}

Huttl, B ^{[1
]}

Troppenz, U ^{[1
]}

Mauch, RH ^{[1
]}

机构：

[1] HEINRICH HERTZ INST NACHRICHTENTECH BERLIN GMBH,AG ELEKTROLUMINESZENZ,D-10117 BERLIN,GERMANY

来源：

PHYSICA STATUS SOLIDI A-APPLIED RESEARCH | 1996年 / 156卷 / 01期

关键词：

D O I：

10.1002/pssa.2211560125

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Calcium halophosphate doped with Eu, Ca-5(PO4)(3)(F, Cl):Eu, was investigated by thermoluminescence, photoluminescence, and diffuse reflection in order to characterize the optical storage properties of this material. The different photoluminescence emission spectra of Eu3+ and Eu2+ in Ca-5(PO4)(3)(F, Cl) were observed and in addition, the decay times of the corresponding transitions were determined. By application of X-ray radiation an efficient conversion of the dopant charge state from Eu3+ to Eu2+ could be achieved. The luminescence of Eu2+ can be optically stimulated with photon energies of 1.9 eV which is lower than the required energy for the direct excitation of the Eu2+ transition.

引用

页码：209 / 214

页数：6

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