Reference : Study of color centers induced by PIXE irradiation
Scientific journals : Article
Engineering, computing & technology : Energy
Engineering, computing & technology : Multidisciplinary, general & others
http://hdl.handle.net/2268/22807
Study of color centers induced by PIXE irradiation
English
Absil, J. [Université de Liège - ULG > > Physique nucléaire, atomique et spectroscopie > >]
Garnir, Henri-Pierre [Université de Liège - ULg > Département de physique > Physique nucléaire]
Strivay, David mailto [Université de Liège - ULg > Département de physique > Physique nucléaire, atomique et spectroscopie >]
Oger, Cécile mailto [Université de Liège - ULg > CARE "Le Réseau des bibliothèques de l'ULg" > Bibliothèque générale de Philosophie et Lettres >]
Weber, Georges mailto [Université de Liège - ULg > Département de physique > Physique nucléaire, atomique et spectroscopie >]
Dec-2002
Nuclear Instruments & Methods in Physics Research. Section B, Beam Interactions with Materials and Atoms
Elsevier Science Bv
198
1-2
90-97
Yes (verified by ORBi)
International
0168-583X
Amsterdam
[en] PIXE ; proton ; color center ; lead white ; pigments ; archaeometry ; stain ; damage
[en] The particle induced X-ray emission method is perfectly adapted to the study, by external beam, of art objects (like paintings) and allows non-destructive analysis of the atomic composition of the target. However, a strange phenomenon occurs during irradiation on some pigments: dark brownish stains appear, and this could be due to the formation of color centers. In fact, these darkening spots progressively fade out and disappear after a few weeks. Heat and UV light accelerate the decreasing process. The aim of this study is to understand the physical processes of the stain creation and to find a way to make stains disappear, avoiding any damage for the painting. (C) 2002 Elsevier Science B.V. All rights reserved.
IISN ; Fonds de la Recherche Scientifique (Communauté française de Belgique) - F.R.S.-FNRS
Researchers
http://hdl.handle.net/2268/22807

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