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Radiolytic effects in organic compounds induced and analyzed by a 15N beam

Published online by Cambridge University Press:  03 March 2011

S. Jans ,
S. Kalbitzer ,
P. Oberschachtsiek  and
M. Behar
S. Jans
Affiliation:
Max-Planck-Institut für Kernphysik, Postfach 103980, D-69029 Heidelberg, Germany
S. Kalbitzer*
Affiliation:
Max-Planck-Institut für Kernphysik, Postfach 103980, D-69029 Heidelberg, Germany
P. Oberschachtsiek
Affiliation:
Max-Planck-Institut für Kernphysik, Postfach 103980, D-69029 Heidelberg, Germany
M. Behar
Affiliation:
Instituto de Fisica, Universidade Federal Rio Grande do Sul, 90510 Porto Alegre, Brazil
*
a)Address all correspondence to this author.
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Abstract

Cd-arachidat in the form of Langmuir-Blodgett films and thick photoresist layers of AZ5412H have been exposed to 15N-ion beams. The physico-chemical state of these targets as a function of the 15N fluence has been monitored by the 15N nuclear reaction with the respective H component. In this way, radiolytic changes in H distribution and bonding have been measured. In particular, diffusion and desorption processes have quantitatively been followed up to fluences of about 1 × 1016 N/cm2 at temperatures as low as 40 K. The correlated changes in H bonding, obtained by analyzing the concomitant Doppler widths as a function of the 15N fluence, consist of both decomposition and restoration of C-H and H-H molecular groups.

Type
Articles
Information
Journal of Materials Research , Volume 9 , Issue 6 , June 1994 , pp. 1596 - 1603
Copyright
Copyright © Materials Research Society 1994

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References

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