EPR and TL correlation in some powdered Greek white marbles

被引：9

作者：

Baïetto, V ^{[1
]}

Villeneuve, G ^{[1
]}

Guibert, P ^{[1
]}

Schvoerer, M ^{[1
]}

机构：

[1] Univ Bordeaux 3, CNRS, Ctr Rech Phys Appliquee Archeol, F-33405 Talence, France

来源：

APPLIED RADIATION AND ISOTOPES | 2000年 / 52卷 / 02期

关键词：

archaeomaterial; electron paramagnetic resonance (EPR); thermoluminescence (TL); white marble; calcite;

D O I：

10.1016/S0969-8043(99)00120-7

中图分类号：

O61 [无机化学];

学科分类号：

070301 ; 081704 ;

摘要：

Thermoluminescence of white powdered marble samples, chosen to display different EPR spectra, were studied. Two peaks at 280 degrees C and 360 degrees C can be observed among the TL glow curves while the EPR spectra exhibit two signals: the A signal with g(perpendicular to) = 2.0038 and g(parallel to) = 2.0024 due to the SO3- centre and the B one with g(1) = 2.0005; g(2) = 2.0001; g(3) = 1.9998 due to mechanical powder reduction (drilling). Owing to heating and simultaneous experiments, a correlation have been established: the 280 degrees C TL peak is associated to the A signal and thus to the SO3- centre and the 360 degrees C TL peak is caused by mechanical treatment corresponding to the B EPR signal. (C) 2000 Elsevier Science Ltd. All rights reserved.

引用

页码：229 / 235

页数：7

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