Luminescence excitation characteristics of Ca-, Na- and K-aluminosilicates (feldspars), in the stimulation range 20-500 eV: optical detection of XAS

被引：8

作者：

Poolton, NRJ ^{[1
]}

Malins, AER

Quinn, FM

Pantos, E

Andersen, CE

Botter-Jensen, L

Johnsen, O

Murray, AS

机构：

[1] SERC, Daresbury Lab, Synchrotron Radiat Dept, Warrington WA4 4AD, Cheshire, England

[2] Riso Natl Lab, Radiat Res Dept, DK-4000 Roskilde, Denmark

[3] Univ Copenhagen, Geol Museum, DK-1350 Copenhagen, Denmark

[4] Univ Aarhus, Riso Natl Lab, Nord Lab Luminescence Dating, DK-4000 Roskilde, Denmark

来源：

JOURNAL OF PHYSICS D-APPLIED PHYSICS | 2003年 / 36卷 / 09期

关键词：

D O I：

10.1088/0022-3727/36/9/308

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

We demonstrate that the vislble/UV luminescence from common feldspar crystals (NaAlSi3O8, KAlSi3O8 and CaAl2Si2O8) can be used to detect detailed L-edge and associated near-edge absorption structure of the main constituent atoms (Ca, K, Na, Al, Si), when exciting in the energy range 20-500 eV. Comparisons of the spectral features are drawn with similar measurements made on the associated materials SiO2, Al2O3 and CaCO3. The potential for using optically detected x-ray absorption spectroscopy as a method for identifying the luminescent components of mixed mineral samples is considered.

引用

页码：1107 / 1114

页数：8

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