Scanning tunneling microscopy study of single-ion impacts on graphite surface

Porte, L.; Phaner, M.; Villeneuve, Catherine Henry de; Moncoffre, N.; Tousset, J.

doi:10.1016/0168-583x(89)90696-4

Cited by 103 publications

(18 citation statements)

References 16 publications

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“…It was found that neither plasmon energies nor work function in HOPG was changed by irradiation with Ar C accelerated to 1.0 keV and at a dose of <5 ð 10 11 ions cm 2 , which was reported as the maximum value for avoiding overlapping cascades. 19 Increase in the work function was observed in Ar C -irradiated graphite with doses in the range of ¾1 ð 19 ) using STM and AFM. 6 It has been assumed also in STM-based investigations that the lattice damage produced by Ar C increases the partial DOS.…”

Section: Comparison Of the P Plasmon Peaks With Those For Polycrystalmentioning

confidence: 91%

High‐resolution AES study of Ar⁺‐irradiated graphite

Hashimoto

Watanabe

Nishiuma

et al. 2003

Surface & Interface Analysis

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High-resolution AES (HR-AES) has been used to study the electronic state of Ar + -irradiated graphite in which the increase in the partial charge density caused by the lattice damage has been indicated. At doses of <5 × 10 11 Ar + cm −2 , which was reported as a maximum value to avoid the overlapping cascades, neither plasmon energies nor the work function in highly oriented pyrolytic graphite (

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Section: Comparison Of the P Plasmon Peaks With Those For Polycrystalmentioning

confidence: 91%

High‐resolution AES study of Ar⁺‐irradiated graphite

Hashimoto

Watanabe

Nishiuma

et al. 2003

Surface & Interface Analysis

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“…These studies identified the formation of characteristic protrusions of the graphite substrate arising from ion implantation. [9][10][11][12][13] In all cases the observed protrusions are of similar dimensions, ϳ2 nm in diameter and ϳ0.4 nm in height.…”

Section: Introductionmentioning

confidence: 90%

Energetic impact of small Ag clusters on graphite

Hall

Nielsen

Palmer

1998

Journal of Applied Physics

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The impact of Ag clusters on graphite is studied with the scanning tunneling microscope. Ag n Ϫ clusters ͑nϭ1, 3, 5, and 7͒ are projected at normal incidence to the surface at constant energy per cluster ion ͑1.5 keV/ion͒. We observe protrusions with diameters of ϳ2.5 nm on the surface of graphite which we attribute to bumps in the graphite surface layer. We show evidence that the positions of the Ag atoms implanted during cluster bombardment remain highly localized.

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“…The defect structures created by single-ion low-energy (EϽ2 MeV) impacts were studied earlier 16,17 though the work with SHI started more recently. 18 -20 The studies have shown many interesting results, such as formation of carbon nanotubes besides formation of craters and hillocks by SHI irradiation of highly oriented pyrolytic graphite ͑HOPG͒.…”

Section: Introductionmentioning

confidence: 99%

Development of an in situ ultra-high-vacuum scanning tunneling microscope in the beamline of the 15 MV tandem accelerator for studies of surface modification by a swift heavy ion beam

Tripathi

Singh

Ahuja

et al. 2001

Review of Scientific Instruments

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We report the installation and testing of an ultra-high-vacuum (UHV) scanning tunneling microscope (STM) in the beamline for materials science studies of the 15 MV Pelletron accelerator at the Nuclear Science Center (NSC), New Delhi. This is a new facility for in situ irradiation-induced surface modification studies, available in an accelerator laboratory. The article describes its vibration isolation, in-vacuum sample transfer and other salient features for integrating the STM to the beamline. The UHV STM is tested by obtaining atomically resolved images of highly oriented pyrolytic graphite (HOPG). In situ topographic and spectroscopic studies of defect structures produced by impact of 200 MeV Au ions on HOPG, p-type Si, and 200 MeV Ag-irradiated Y1Ba2Cu3O7+δ are studied.

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Scanning tunneling microscopy study of single-ion impacts on graphite surface

Cited by 103 publications

References 16 publications

High‐resolution AES study of Ar⁺‐irradiated graphite

High‐resolution AES study of Ar⁺‐irradiated graphite

Energetic impact of small Ag clusters on graphite

Development of an in situ ultra-high-vacuum scanning tunneling microscope in the beamline of the 15 MV tandem accelerator for studies of surface modification by a swift heavy ion beam

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Scanning tunneling microscopy study of single-ion impacts on graphite surface

Cited by 103 publications

References 16 publications

High‐resolution AES study of Ar+‐irradiated graphite

High‐resolution AES study of Ar+‐irradiated graphite

Energetic impact of small Ag clusters on graphite

Development of an in situ ultra-high-vacuum scanning tunneling microscope in the beamline of the 15 MV tandem accelerator for studies of surface modification by a swift heavy ion beam

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High‐resolution AES study of Ar⁺‐irradiated graphite

High‐resolution AES study of Ar⁺‐irradiated graphite