Authors:
G. Blondiaux CNRS, Service du Cyclotron Group “Application des Reaction Nucléaires à l'Analyse Chmique” 3A rue de la Férollerie 45045 Orléans, Cedex (France)

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C. Sastri CNRS, Service du Cyclotron Group “Application des Reaction Nucléaires à l'Analyse Chmique” 3A rue de la Férollerie 45045 Orléans, Cedex (France)

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M. Valladon CNRS, Service du Cyclotron Group “Application des Reaction Nucléaires à l'Analyse Chmique” 3A rue de la Férollerie 45045 Orléans, Cedex (France)

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J. Debrun CNRS, Service du Cyclotron Group “Application des Reaction Nucléaires à l'Analyse Chmique” 3A rue de la Férollerie 45045 Orléans, Cedex (France)

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Abstract  

During ion bombardment, thermal diffusion and radiation enhanced diffusion of atoms occur. These phenomena may be a source of error in ion beam analysis, particularly in radioactivation analysis if contaminant surface atoms are present. It is shown here that penetration of18F (derived from surface oxygen by nuclear reaction) in germanium single crystals, does not extend appreciably farther than the maximum range of the recoiling18F nuclei. Since the analyzed depth is over an order of magnitude larger than the recoil, the validity of charged particle activation analysis at the ppb level in the present case (oxygen→18F in germanium), is clearly demonstrated.

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Journal of Radionalytical and Nuclear Chemistry
Language English
Size A4
Year of
Foundation
1968
Volumes
per Year
1
Issues
per Year
12
Founder Akadémiai Kiadó
Founder's
Address
H-1117 Budapest, Hungary 1516 Budapest, PO Box 245.
Publisher Akadémiai Kiadó
Springer Nature Switzerland AG
Publisher's
Address
H-1117 Budapest, Hungary 1516 Budapest, PO Box 245.
CH-6330 Cham, Switzerland Gewerbestrasse 11.
Responsible
Publisher
Chief Executive Officer, Akadémiai Kiadó
ISSN 0236-5731 (Print)
ISSN 1588-2780 (Online)