Fine structure in swift heavy ion tracks in amorphous SiO2

P. Kluth; C. S. Schnohr; O. H. Pakarinen; F. Djurabekova; D. J. Sprouster; R. Giulian; M. C. Ridgway; A. P. Byrne; C. Trautmann; D. J. Cookson; K. Nordlund; M. Toulemonde

doi:10.1103/PhysRevLett.101.175503

Fine structure in swift heavy ion tracks in amorphous SiO2

P. Kluth^*, C. S. Schnohr, O. H. Pakarinen, F. Djurabekova, D. J. Sprouster, R. Giulian, M. C. Ridgway, A. P. Byrne, C. Trautmann, D. J. Cookson, K. Nordlund, M. Toulemonde

^*Corresponding author for this work

Research output: Contribution to journal › Article › peer-review

246 Citations (Scopus)

Abstract

We report on the observation of a fine structure in ion tracks in amorphous SiO2 using small angle x-ray scattering measurements. Tracks were generated by high energy ion irradiation with Au and Xe between 27 MeV and 1.43 GeV. In agreement with molecular dynamics simulations, the tracks consist of a core characterized by a significant density deficit compared to unirradiated material, surrounded by a high density shell. The structure is consistent with a frozen-in pressure wave originating from the center of the ion track as a result of a thermal spike.

Original language	English
Article number	175503
Journal	Physical Review Letters
Volume	101
Issue number	17
DOIs	https://doi.org/10.1103/PhysRevLett.101.175503
Publication status	Published - 24 Oct 2008

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title = "Fine structure in swift heavy ion tracks in amorphous SiO2",

abstract = "We report on the observation of a fine structure in ion tracks in amorphous SiO2 using small angle x-ray scattering measurements. Tracks were generated by high energy ion irradiation with Au and Xe between 27 MeV and 1.43 GeV. In agreement with molecular dynamics simulations, the tracks consist of a core characterized by a significant density deficit compared to unirradiated material, surrounded by a high density shell. The structure is consistent with a frozen-in pressure wave originating from the center of the ion track as a result of a thermal spike.",

author = "P. Kluth and Schnohr, {C. S.} and Pakarinen, {O. H.} and F. Djurabekova and Sprouster, {D. J.} and R. Giulian and Ridgway, {M. C.} and Byrne, {A. P.} and C. Trautmann and Cookson, {D. J.} and K. Nordlund and M. Toulemonde",

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T1 - Fine structure in swift heavy ion tracks in amorphous SiO2

AU - Kluth, P.

AU - Schnohr, C. S.

AU - Pakarinen, O. H.

AU - Djurabekova, F.

AU - Sprouster, D. J.

AU - Giulian, R.

AU - Ridgway, M. C.

AU - Byrne, A. P.

AU - Trautmann, C.

AU - Cookson, D. J.

AU - Nordlund, K.

AU - Toulemonde, M.

PY - 2008/10/24

Y1 - 2008/10/24

N2 - We report on the observation of a fine structure in ion tracks in amorphous SiO2 using small angle x-ray scattering measurements. Tracks were generated by high energy ion irradiation with Au and Xe between 27 MeV and 1.43 GeV. In agreement with molecular dynamics simulations, the tracks consist of a core characterized by a significant density deficit compared to unirradiated material, surrounded by a high density shell. The structure is consistent with a frozen-in pressure wave originating from the center of the ion track as a result of a thermal spike.

AB - We report on the observation of a fine structure in ion tracks in amorphous SiO2 using small angle x-ray scattering measurements. Tracks were generated by high energy ion irradiation with Au and Xe between 27 MeV and 1.43 GeV. In agreement with molecular dynamics simulations, the tracks consist of a core characterized by a significant density deficit compared to unirradiated material, surrounded by a high density shell. The structure is consistent with a frozen-in pressure wave originating from the center of the ion track as a result of a thermal spike.

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U2 - 10.1103/PhysRevLett.101.175503

DO - 10.1103/PhysRevLett.101.175503

M3 - Article

SN - 0031-9007

VL - 101

JO - Physical Review Letters

JF - Physical Review Letters

IS - 17

M1 - 175503

ER -

Fine structure in swift heavy ion tracks in amorphous SiO2

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