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The shape of ion tracks in natural apatite

Schauries, D. and Afra, B. and Bierschenk, T. and Lang, M. and Rodriguez, M. D. and Trautmann, C. and Li, W. and Ewing, R. C. and Kluth, P. (2014):
The shape of ion tracks in natural apatite.
In: Nuclear Instruments and Methods in Physics Research Section B: Beam Interactions with Materials and Atoms, Elsevier Science Publishing, pp. 117-120, 326, ISSN 0168583X,
[Online-Edition: http://dx.doi.org/10.1016/j.nimb.2013.10.071],
[Article]

Abstract

Small angle X-ray scattering measurements were performed on natural apatite of different thickness irradiated with 2.2 GeV Au swift heavy ions. The evolution of the track radius along the full ion track length was estimated by considering the electronic energy loss and the velocity of the ions. The shape of the track is nearly cylindrical, slightly widening with a maximum diameter approximately 30 μm before the ions come to rest, followed by a rapid narrowing towards the end within a cigar-like contour. Measurements of average ion track radii in samples of different thicknesses, i.e. containing different sections of the tracks are in good agreement with the shape estimate.

Item Type: Article
Erschienen: 2014
Creators: Schauries, D. and Afra, B. and Bierschenk, T. and Lang, M. and Rodriguez, M. D. and Trautmann, C. and Li, W. and Ewing, R. C. and Kluth, P.
Title: The shape of ion tracks in natural apatite
Language: English
Abstract:

Small angle X-ray scattering measurements were performed on natural apatite of different thickness irradiated with 2.2 GeV Au swift heavy ions. The evolution of the track radius along the full ion track length was estimated by considering the electronic energy loss and the velocity of the ions. The shape of the track is nearly cylindrical, slightly widening with a maximum diameter approximately 30 μm before the ions come to rest, followed by a rapid narrowing towards the end within a cigar-like contour. Measurements of average ion track radii in samples of different thicknesses, i.e. containing different sections of the tracks are in good agreement with the shape estimate.

Journal or Publication Title: Nuclear Instruments and Methods in Physics Research Section B: Beam Interactions with Materials and Atoms
Volume: 326
Publisher: Elsevier Science Publishing
Uncontrolled Keywords: Ion irradiation, Ion tracks, SAXS, Apatite
Divisions: 11 Department of Materials and Earth Sciences > Material Science > Ion-Beam-Modified Materials
11 Department of Materials and Earth Sciences > Material Science
11 Department of Materials and Earth Sciences
Date Deposited: 12 Jan 2015 12:52
Official URL: http://dx.doi.org/10.1016/j.nimb.2013.10.071
Additional Information:

17th International Conference on Radiation Effects in Insulators (REI)

Identification Number: doi:10.1016/j.nimb.2013.10.071
Funders: P.K. acknowledges the Australian Research Council for financial support., R.C.E and M.L. acknowledge the support of the Office of Basic Energy Sciences of the USDOE (DE-FG02–97ER45656).
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