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AbstractAbstract
[en] The organization and structure of elaborated database of differential Auger spectra is presented. The first page of this set, available in complete form from the author, is demonstrated. The advantages page of taking into account the data set, in analytical work using Auger spectroscopy, are indicated. (author)
Source
17 refs, 1 tab
Record Type
Journal Article
Literature Type
Numerical Data
Journal
Chemia Analityczna; ISSN 0009-2223;
; v. 43(6); p. 987-993

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AbstractAbstract
No abstract available
Primary Subject
Source
Published in summary form only.
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Journal Article
Literature Type
Numerical Data
Journal
Journal of Electron Spectroscopy and Related Phenomena; ISSN 0368-2048;
; v. 20(4); p. 333-366

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AbstractAbstract
[en] The techniques of Auger electron spectroscopy and ellipsometry are applied to the study of the surface films formed on copper in aqueous solutions containing an inhibitor, benzimidazole. The results show the surface film to be non-stoichiometric, 64 nm thick, with an approximate composition and optical constant of Cu6N5.5O2 and 1.50(1 - 0.02i), respectively
Primary Subject
Source
Gries, W.H.; Crooke, M. (eds.); Council for Scientific and Industrial Research, Pretoria (South Africa). National Physical Research Lab; 223 p; ISBN 0 7988 2417 4;
; 1981; p. 75-79, 81; Symposium on surface science and its industrial implications incorporating colloquium on Auger electron spectroscopy in South Africa; Pretoria (South Africa); Nov 1981; Available from the National Physical Research Laboratory, CSIR, P.O. Box 395, Pretoria, 0001, South Africa

Record Type
Miscellaneous
Literature Type
Conference; Numerical Data
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AbstractAbstract
[en] Measured chemical shifts of photoelectron and auger electron energies of solid silicon compounds are used for determination of relaxation energy shifts. The trends of these shifts and their dependence on parameters characterizing the chemical bond as electronegativity are discussed. The shirley approach for determination of relaxation energy shifts proves to be a sensitive method for describing electron changes when atoms combine to forms molecules or solids. It is able to distinguish between the atomic term and the surroundings term of the chemical shifts by means of XPS (author)
Source
8 refs., 3 figs.
Record Type
Journal Article
Literature Type
Numerical Data
Journal
Tishreen University Journal for Studies and Scientific Research; CODEN TUJOEY; v. 17(4); p. 44-50
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AbstractAbstract
[en] Part VII of this Data bank is the last part in this series of articles. It is concerned with the HE(I) and HE(II) photoelectron spectra of miscellaneous compounds: H2S and inorganic fluorides, hydrocarbons, NH3 and organic nitrogen compounds, cyano-substituted hydrocarbons, organic oxo-compounds, organic sulphur compounds, organic compounds containing both N and O atoms, organic halogen compounds, and diatomic halogens. (orig./TW)
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Record Type
Journal Article
Literature Type
Numerical Data
Journal
Journal of Electron Spectroscopy and Related Phenomena; ISSN 0368-2048;
; v. 27(2); p. 129-178

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AbstractAbstract
[en] A simulation study of Auger electron spectroscopy was performed to reveal how far the dependency between the different parameters governing the experimental behavior affects the peaks. The experimental procedure followed by the AC modulation technique were reproduced by means of a computer program. It generates the assumed output Auger electron peaks, exposes them to a retarding AC modulated field and collects the resulting modulated signals. The program produces the lock-in treatment in order to demodulate the signals revealing the Auger peaks. It analyzes the spectrum obtained giving the peak positions and energies. Comparison between results of simulation and the experimental data showed good agreement. The peaks of the spectrum obtained depend upon the amplitude, frequency and resolution of the applied modulated signal. The peak shape is effected by the rise time, the slope and the starting potential of the retarding field. 4 figs
Primary Subject
Source
Gomaa, M.A.; El-Behay, A.Z.; Hassib, G.M.; El-Naggar, A.M. (eds.); Atomic Energy Establishment, Cairo (Egypt); 419 p; 1996; p. 272-279; 3. Radiation Physics Conference; Cairo (Egypt); 13-17 Nov 1996
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Miscellaneous
Literature Type
Conference; Numerical Data
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AbstractAbstract
[en] Photoelectric observations carried out over a 6-yr interval in the Johnson V-band were analysed for the component frequencies. Five frequencies were found to be definitely present, of which those four of the highest amplitudes agree with the values recently cited in the literature. Although frequency spacing indicates non-radial oscillations, precise mode identification should await more accurate pulsational calculations and/or spectrum line profile analysis. The five-frequency solution describes the observations to an accuracy of the noise level, though small systematic differences do exist in some cases. Light-time effect due to orbital motion is clearly shown to be present in the photoelectric data and indicates that the source of all the observed oscillations is the primary component. (author)
Primary Subject
Record Type
Journal Article
Literature Type
Numerical Data
Journal
Monthly Notices of the Royal Astronomical Society; ISSN 0035-8711;
; CODEN MNRAA; v. 237(1); p. 201-217

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AbstractAbstract
[en] The authors have measured the photoelectron spectra of SiH3- and SiD3- and report the following electron affinities: EA(SiH3) = 1.406 +/- 0.014 eV, EA(SiD3) = 1.386 +/- 0.022 eV. From an analysis of the peak splittings and intensities, we extract potential energy curves for the umbrella mode of the SiH3- negative ion and the SiH3 radical. Both species are pyramidal molecules with inversion barriers of 9000 +/- 2000 cm-1 for SiH3- and 1900 +/- 300 cm-1 for SiH3. The bond angle α(H-Si-H) for SiH3- is found to be 94.50 while the value for the radical, SiH3, is 112.50. Using the gas-phase acidity of SiH4, we obtain the following bond dissociation energy for silane: DH0298 (H3Si-H) = 90.3 +/- 2.4 kcal/mol
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Journal Article
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Numerical Data
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AbstractAbstract
[en] Two-dimentional clusters, A4 (four atoms situated at the corners of a square) and A5 (five atoms with positions at the corners and the centre of a square) adsorbed on a metal surface, have been considered within the framework of the Anderson model. The local densities of states and the effective charges of the atoms are calculated taking into account the direct interaction between them. 4 figs., 7 refs
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Journal Article
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Numerical Data
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AbstractAbstract
[en] The nature and causes of S-type spectra are reviewed. The S star HR 1105 is shown to be a spectroscopic binary with a period of 596 days. It is the first binary of type S to have its orbit determined, notwithstanding that it is arguably the brightest S star and that the variability of its velocity has been known since 1922, the same year as type S was recognized. (author)
Primary Subject
Record Type
Journal Article
Literature Type
Numerical Data
Journal
Observatory; ISSN 0029-7704;
; v. 104(1062); p. 224-231

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