Article (Scientific journals)
Study of color centers induced by PIXE irradiation
Absil, J.; Garnir, Henri-Pierre; Strivay, David et al.
2002In Nuclear Instruments and Methods in Physics Research. Section B, Beam Interactions with Materials and Atoms, 198 (1-2), p. 90-97
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Keywords :
PIXE; proton; color center; lead white; pigments; archaeometry; stain; damage
Abstract :
[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.
Disciplines :
Energy
Engineering, computing & technology: Multidisciplinary, general & others
Author, co-author :
Absil, J.;  Université de Liège - ULiège > Physique nucléaire, atomique et spectroscopie
Garnir, Henri-Pierre ;  Université de Liège - ULiège > Département de physique > Physique nucléaire
Strivay, David  ;  Université de Liège - ULiège > Département de physique > Physique nucléaire, atomique et spectroscopie
Oger, Cécile ;  Université de Liège - ULiège > CARE "Le Réseau des bibliothèques" > Bibliothèque générale de Philosophie et Lettres
Weber, Georges ;  Université de Liège - ULiège > Département de physique > Physique nucléaire, atomique et spectroscopie
Language :
English
Title :
Study of color centers induced by PIXE irradiation
Publication date :
December 2002
Journal title :
Nuclear Instruments and Methods in Physics Research. Section B, Beam Interactions with Materials and Atoms
ISSN :
0168-583X
eISSN :
1872-9584
Publisher :
Elsevier Science Bv, Amsterdam, Netherlands
Volume :
198
Issue :
1-2
Pages :
90-97
Peer reviewed :
Peer Reviewed verified by ORBi
Funders :
IISN - Institut interuniversitaire des sciences nucléaires [BE]
F.R.S.-FNRS - Fonds de la Recherche Scientifique [BE]
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