2003
DOI: 10.1002/sia.1486
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High‐resolution AES study of Ar+‐irradiated graphite

Abstract: 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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Cited by 9 publications
(3 citation statements)
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“…Nevertheless, since low-energy electron emission is quite more sensitive to contamination than AES, the ultimate check of the surface state was the repeatability of the electron energy spectra after annealing. The total ion fluence was kept below the threshold for damage that causes changes in either plasmon energy or work function [5]. In addition, at each ion energy we took several spectra at the same and at different surface spots to detect any influence of damage.…”
mentioning
confidence: 99%
“…Nevertheless, since low-energy electron emission is quite more sensitive to contamination than AES, the ultimate check of the surface state was the repeatability of the electron energy spectra after annealing. The total ion fluence was kept below the threshold for damage that causes changes in either plasmon energy or work function [5]. In addition, at each ion energy we took several spectra at the same and at different surface spots to detect any influence of damage.…”
mentioning
confidence: 99%
“…The CPD of MoSI nanowires compared to HOPG in this case was also around 0.2 eV, the same as with a HOPG substrate. Taking the published values for the HOPG work function of ∼4.6 eV, we can conclude that by CPD measurement the work function of MoSI nanowires is W = 4.8 ± 0.1 eV, where the error accounts for sample-to-sample variations.…”
Section: Resultsmentioning
confidence: 95%
“…3(a) are almost same as those reported in previous REELS studies. [31][32][33][34] The slight difference between TEM-EELS and SEM-REELS result is thought to result from the effect of the substrate under the graphene layers.…”
mentioning
confidence: 99%