Creation of surface nanostructures in Al2O3 by slow highly charged ions

A. S. El-Said; R. A. Wilhelm; R. Heller; Sh Akhmadaliev; S. Facsko

doi:10.1016/j.nimb.2013.01.054

Creation of surface nanostructures in Al₂O₃ by slow highly charged ions

A. S. El-Said^*
, R. A. Wilhelm
, R. Heller
, Sh Akhmadaliev
, S. Facsko

^*Corresponding author for this work

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

10 Scopus citations

Abstract

Al₂O₃ single crystals were irradiated with slow highly charged Xe ions of various charge states from an EBIT (Electron Beam Ion Trap) source at the Dresden two source facility. The irradiations were performed at room temperature and under normal incidence. Scanning force microscopy (SFM) was utilized to investigate the topography of the irradiated surfaces. The measurements showed that above a potential energy threshold, each ion creates a nanohillock protruding from the surface. These structures are compared to those created by swift heavy ions (SHI). The results are discussed in terms of potential energy deposition of highly charged ions (HCI) and electronic energy loss of SHI.

Original language	English
Pages (from-to)	170-173
Number of pages	4
Journal	Nuclear Instruments and Methods in Physics Research, Section B: Beam Interactions with Materials and Atoms
Volume	317
Issue number	PART A
DOIs	https://doi.org/10.1016/j.nimb.2013.01.054
State	Published - 2013

Bibliographical note

Funding Information:
The support by Alexander von Humboldt Foundation and KACST through KFUPM (NSTIP Projects No. 11-NAN1650-04 ) is greatly acknowledged.

Keywords

AlO
Nanostructures
Slow highly charged ions
Swift heavy ions

ASJC Scopus subject areas

Nuclear and High Energy Physics
Instrumentation

Access to Document

10.1016/j.nimb.2013.01.054

Cite this

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title = "Creation of surface nanostructures in Al2O3 by slow highly charged ions",

abstract = "Al2O3 single crystals were irradiated with slow highly charged Xe ions of various charge states from an EBIT (Electron Beam Ion Trap) source at the Dresden two source facility. The irradiations were performed at room temperature and under normal incidence. Scanning force microscopy (SFM) was utilized to investigate the topography of the irradiated surfaces. The measurements showed that above a potential energy threshold, each ion creates a nanohillock protruding from the surface. These structures are compared to those created by swift heavy ions (SHI). The results are discussed in terms of potential energy deposition of highly charged ions (HCI) and electronic energy loss of SHI.",

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author = "El-Said, \{A. S.\} and Wilhelm, \{R. A.\} and R. Heller and Sh Akhmadaliev and S. Facsko",

note = "Funding Information: The support by Alexander von Humboldt Foundation and KACST through KFUPM (NSTIP Projects No. 11-NAN1650-04 ) is greatly acknowledged.",

year = "2013",

doi = "10.1016/j.nimb.2013.01.054",

language = "English",

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T1 - Creation of surface nanostructures in Al2O3 by slow highly charged ions

AU - El-Said, A. S.

AU - Wilhelm, R. A.

AU - Heller, R.

AU - Akhmadaliev, Sh

AU - Facsko, S.

N1 - Funding Information: The support by Alexander von Humboldt Foundation and KACST through KFUPM (NSTIP Projects No. 11-NAN1650-04 ) is greatly acknowledged.

PY - 2013

Y1 - 2013

N2 - Al2O3 single crystals were irradiated with slow highly charged Xe ions of various charge states from an EBIT (Electron Beam Ion Trap) source at the Dresden two source facility. The irradiations were performed at room temperature and under normal incidence. Scanning force microscopy (SFM) was utilized to investigate the topography of the irradiated surfaces. The measurements showed that above a potential energy threshold, each ion creates a nanohillock protruding from the surface. These structures are compared to those created by swift heavy ions (SHI). The results are discussed in terms of potential energy deposition of highly charged ions (HCI) and electronic energy loss of SHI.

AB - Al2O3 single crystals were irradiated with slow highly charged Xe ions of various charge states from an EBIT (Electron Beam Ion Trap) source at the Dresden two source facility. The irradiations were performed at room temperature and under normal incidence. Scanning force microscopy (SFM) was utilized to investigate the topography of the irradiated surfaces. The measurements showed that above a potential energy threshold, each ion creates a nanohillock protruding from the surface. These structures are compared to those created by swift heavy ions (SHI). The results are discussed in terms of potential energy deposition of highly charged ions (HCI) and electronic energy loss of SHI.

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