Polarized emission of PbWO4 and CdWO4 crystals

被引：7

作者：

Feldbach, E

Jönsson, L

Kirm, M

Kotlov, A

Lushchik, A

Nagirnyi, V

Svensson, G

Åsberg-Dahlborg, M

机构：

[1] Univ Tartu, Inst Phys, Tartu 51014, Estonia

[2] Univ Lund, Dept Phys, S-22363 Lund, Sweden

[3] Chalmers Univ Technol, Dept Inorgan Chem, S-41296 Gothenburg, Sweden

来源：

JOURNAL OF LUMINESCENCE | 2000年 / 87-9卷

关键词：

tungstates; synchrotron radiation; polarization;

D O I：

10.1016/S0022-2313(99)00516-5

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

Polarization properties of the main emission and the phosphorescence of PbWO4 and CdWO4 crystals have been investigated under polarized synchrotron excitation in the energy region 3.5-35 eV. Strong phosphorescence has been found at temperatures 4.2-50 K in all available PbWO4 samples. Both the blue and the green emission bands are present in the phosphorescence emission spectrum in a ratio specific for the each studied sample. The main emission and the phosphorescence of PbWO4 are both polarized along the C crystallographic axis in the full excitation region investigated. The main emission of CdWO4. is polarized in a plane normal to the C axis. (C) 2000 Elsevier Science B.V. All rights reserved.

引用

页码：1213 / 1216

页数：4

共 8 条

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BOHM M, 1999, P INT WORKSH TUNGST, P141

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