Luminescence spectra of alkali feldspars: Some relationships between structural features and luminescence emission

被引:32
作者
GarciaGuinea, J
Rendell, HM
SanchezMunoz, L
机构
[1] Mathematical and Physical Sciences, University of Sussex
[2] Geography Laboratory, University of Sussex, Falmer
[3] CRSCM (CNRS), 45071-Orlèans Cedex 2, 1A, Rue de la Ferollerie
[4] Museo Nacional Ciencias Naturales, C.S.I.C., 28006-Madrid
关键词
D O I
10.1093/oxfordjournals.rpd.a031762
中图分类号
X [环境科学、安全科学];
学科分类号
08 ; 0830 ;
摘要
Thermoluminescence (TL) emission spectra have been obtained from alkali feldspars ranging from monoclinic and triclinic potassium-rich feldspars to triclinic sodium-rich feldspars, as well from a synthetic gel of KAlSi3O8 composition. Emissions were detected in the wavelength range 200-800 nm using a high sensitivity spectrometer. The results suggest that the 290 nm emission band in TL is associated either with the presence of crystalline phases of NaAlSi3O8 or with Na/K exsolution interfaces.
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页码:395 / 398
页数:4
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