Nanostructures created in SiO 2 surface: A comparison between the impingement by slow highly charged ions and by swift heavy ions

A. S. El-Said

doi:10.1016/j.nimb.2011.08.046

Nanostructures created in SiO ₂ surface: A comparison between the impingement by slow highly charged ions and by swift heavy ions

A. S. El-Said^*

^*Corresponding author for this work

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

28 Scopus citations

Abstract

Swift heavy ions (SHI) of MeV-GeV energy lead to the creation of nanometric surface structures as well as modifications in the bulk along the ion penetration depth. Recently, similar surface modifications have been observed for the impact of individual slow highly charged ions (HCI). Non-amorphizable ionic-halide single crystals, like KBr, CaF ₂ and BaF ₂, are considered as the most intensively studied materials after irradiation with HCI. In this contribution we study the creation of surface nanostructures in an amorphizable material, namely SiO ₂ quartz after irradiation with slow highly charged Xe ions from the Electron Beam Ion Trap at Helmholtz Zentrum Dresden-Rossendorf and swift xenon ions from Universal Linear Accelerator at GSI in Darmstadt. After irradiation at room temperature, the crystals were investigated by scanning force microscopy. For both SHI and HCI, the created nanostructures exhibit the shape of hillocks. Moreover UV-VIS spectroscopy was performed to identify the defects created by ion irradiation at high fluence. The results are discussed in terms of the creation mechanisms driven by the dependence on both potential and kinetic energies of the ions.

Original language	English
Pages (from-to)	63-67
Number of pages	5
Journal	Nuclear Instruments and Methods in Physics Research, Section B: Beam Interactions with Materials and Atoms
Volume	282
DOIs	https://doi.org/10.1016/j.nimb.2011.08.046
State	Published - 1 Jul 2012

Bibliographical note

Funding Information:
The support by KFUPM (Project No. SB101002 ) and Alexander von Humboldt Foundation is greatly acknowledged. The author would like to thank C. Trautmann (GSI) , K. Schwartz (GSI) , F. Aumayr (TU Wien) , S. Facsko (HZDR) and R.A. Wilhelm (HZDR) for fruitful discussions and support.

Keywords

Highly charged ions
SiO
Surface nanostructures
Swift heavy ions

ASJC Scopus subject areas

Nuclear and High Energy Physics
Instrumentation

Access to Document

10.1016/j.nimb.2011.08.046

Cite this

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title = "Nanostructures created in SiO 2 surface: A comparison between the impingement by slow highly charged ions and by swift heavy ions",

abstract = "Swift heavy ions (SHI) of MeV-GeV energy lead to the creation of nanometric surface structures as well as modifications in the bulk along the ion penetration depth. Recently, similar surface modifications have been observed for the impact of individual slow highly charged ions (HCI). Non-amorphizable ionic-halide single crystals, like KBr, CaF 2 and BaF 2, are considered as the most intensively studied materials after irradiation with HCI. In this contribution we study the creation of surface nanostructures in an amorphizable material, namely SiO 2 quartz after irradiation with slow highly charged Xe ions from the Electron Beam Ion Trap at Helmholtz Zentrum Dresden-Rossendorf and swift xenon ions from Universal Linear Accelerator at GSI in Darmstadt. After irradiation at room temperature, the crystals were investigated by scanning force microscopy. For both SHI and HCI, the created nanostructures exhibit the shape of hillocks. Moreover UV-VIS spectroscopy was performed to identify the defects created by ion irradiation at high fluence. The results are discussed in terms of the creation mechanisms driven by the dependence on both potential and kinetic energies of the ions.",

keywords = "Highly charged ions, SiO, Surface nanostructures, Swift heavy ions",

author = "El-Said, \{A. S.\}",

note = "Funding Information: The support by KFUPM (Project No. SB101002 ) and Alexander von Humboldt Foundation is greatly acknowledged. The author would like to thank C. Trautmann (GSI) , K. Schwartz (GSI) , F. Aumayr (TU Wien) , S. Facsko (HZDR) and R.A. Wilhelm (HZDR) for fruitful discussions and support.",

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AU - El-Said, A. S.

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PY - 2012/7/1

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N2 - Swift heavy ions (SHI) of MeV-GeV energy lead to the creation of nanometric surface structures as well as modifications in the bulk along the ion penetration depth. Recently, similar surface modifications have been observed for the impact of individual slow highly charged ions (HCI). Non-amorphizable ionic-halide single crystals, like KBr, CaF 2 and BaF 2, are considered as the most intensively studied materials after irradiation with HCI. In this contribution we study the creation of surface nanostructures in an amorphizable material, namely SiO 2 quartz after irradiation with slow highly charged Xe ions from the Electron Beam Ion Trap at Helmholtz Zentrum Dresden-Rossendorf and swift xenon ions from Universal Linear Accelerator at GSI in Darmstadt. After irradiation at room temperature, the crystals were investigated by scanning force microscopy. For both SHI and HCI, the created nanostructures exhibit the shape of hillocks. Moreover UV-VIS spectroscopy was performed to identify the defects created by ion irradiation at high fluence. The results are discussed in terms of the creation mechanisms driven by the dependence on both potential and kinetic energies of the ions.

AB - Swift heavy ions (SHI) of MeV-GeV energy lead to the creation of nanometric surface structures as well as modifications in the bulk along the ion penetration depth. Recently, similar surface modifications have been observed for the impact of individual slow highly charged ions (HCI). Non-amorphizable ionic-halide single crystals, like KBr, CaF 2 and BaF 2, are considered as the most intensively studied materials after irradiation with HCI. In this contribution we study the creation of surface nanostructures in an amorphizable material, namely SiO 2 quartz after irradiation with slow highly charged Xe ions from the Electron Beam Ion Trap at Helmholtz Zentrum Dresden-Rossendorf and swift xenon ions from Universal Linear Accelerator at GSI in Darmstadt. After irradiation at room temperature, the crystals were investigated by scanning force microscopy. For both SHI and HCI, the created nanostructures exhibit the shape of hillocks. Moreover UV-VIS spectroscopy was performed to identify the defects created by ion irradiation at high fluence. The results are discussed in terms of the creation mechanisms driven by the dependence on both potential and kinetic energies of the ions.

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