Influence of stoichiometry on the optical properties of lead tungstate crystals

被引：25

作者：

Belsky, AN

Klimov, SM

Mikhailin, VV

Vasilev, AN

Auffray, E

Lecoq, P

Pedrini, C

Korzhik, MV

Annenkov, AN

Chevalier, P

Martin, P

Krupa, JC

机构：

[1] CTR UNIV PARIS SUD, LURE, F-91405 ORSAY, FRANCE

[2] MOSCOW MV LOMONOSOV STATE UNIV, FAC PHYS, SRL, MOSCOW 118998, RUSSIA

[3] CERN, CH-1211 GENEVA 23, SWITZERLAND

[4] UNIV LYON 1, LPCML, F-69622 VILLEURBANNE, FRANCE

[5] INST NUCL PROBLEMS, MINSK 220050, BELARUS

[6] SPECTR CO, DIV RES, BOGORODITSK, RUSSIA

[7] CTR UNIV PARIS SUD, IPN, F-91405 ORSAY, FRANCE

来源：

CHEMICAL PHYSICS LETTERS | 1997年 / 277卷 / 1-3期

关键词：

D O I：

10.1016/S0009-2614(97)00890-7

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

A series of PbWO4 crystals, grown consistently from one melt, were studied under excitation by VUV and X-ray synchrotron radiation. We observed a systematic change in the spectroscopic data (emission spectra, luminescence decay, thermoluminescence, radiation hardness) from the first grown to the last, In the reflectivity spectrum, the intensity in the 4-6 eV absorption region, which is assigned to the Pb2+ 6s-6p transitions, decreases relative to the intensity in the 7-10 eV region which is due to (WO4)(2-) absorption. We connect these changes with the variation in stoichiometry of the melt during crystal growth. (C) 1997 Elsevier Science B.V.

引用

页码：65 / 70

页数：6

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