Reference : Application of PIXE and PIGE under variable ion beam incident angle to several fields...
Scientific journals : Article
Physical, chemical, mathematical & earth Sciences : Physics
http://hdl.handle.net/2268/80153
Application of PIXE and PIGE under variable ion beam incident angle to several fields of archaeometry
English
Weber, Georges mailto [Université de Liège - ULg > Département de physique > Physique nucléaire, atomique et spectroscopie >]
Martinot, L. [> > > >]
Strivay, David mailto [Université de Liège - ULg > Département de physique > Physique nucléaire, atomique et spectroscopie >]
Garnir, Henri-Pierre [Université de Liège - ULg > Département de physique > Physique nucléaire]
George, Philippe [Trésor de la Cathédrale de Liège > > > >]
2005
X-Ray Spectrometry [=XRS]
John Wiley & Sons Ltd
34
4, JUL-AUG
297-300
Yes (verified by ORBi)
International
0049-8246
Chichester
[en] IBA ; Archaeometry ; acceelrator
[en] For several years, the specific features of PIXE and PIGE have made them very attractive in the field of archaeometry. Among them, non-destructivity is one of the most important. The possibility of working under atmospheric pressure is also important because of the very different shapes and sizes of the artefacts concerned. However, these ion beam techniques suffer from the same disadvantage: the information coming from x-rays or),brays produced at different places along the charged particle path is integrated. That prevents one from taking into account the possible element concentration gradients due to multilayered systems or diffusion processes. This paper presents several applications of PIXE and PIGE applied under variable ion beam incident angle. PIGE has been mainly used for studying ancient glass items or glass windows in order to detect or evaluate the glass corrosion process. The examples given for PIGE deal with Roman and Merovingian glass objects and cathedral glass windows and PIXE applications concern studies for resolving the multilayered structure of easel paintings. The set-up allowing one to perform the measurements should be very stable, the rotation axis should pass through the beam axis and the detector should follow the sample movement. Copyright (c) 2005 John Wiley
Centre Européen en Archéométrie - CEA
ULg ; IISN
http://hdl.handle.net/2268/80153

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