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  Quantitative layer analysis of single crystal surfaces by LEIS

Beikler, R., & Taglauer, E. (2002). Quantitative layer analysis of single crystal surfaces by LEIS. Nuclear Instruments and Methods in Physics Research B: Beam Interactions with Materials and Atoms, 193, 455-459.

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 Creators:
Beikler, R.1, Author           
Taglauer, E.2, Author           
Affiliations:
1External Organizations, ou_persistent22              
2Surface Science (OP), Max Planck Institute for Plasma Physics, Max Planck Society, ou_1856288              

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 Abstract: The quantitative interpretation of energy and angle resolved low-energy ion scattering intensity distributions is achieved by comparing the experimental results with those from numerical simulations using the MARLOWE code with extensions for layer selective analysis. The example used is the CuAu(1 0 0) alloy crystal surface. For adequate analysis the potential parameter (i.e. the screening length) has to be calibrated. This is done by using elemental single crystal standards. Anisotropic thermal vibrations are taken into account in correspondence with published Debye temperature values. Neutralization effects are found to be of minor importance for Na+ and He+ scattering from CuAu. A quantitative analysis of the first and second layer composition of CuAu(1 0 0) as a function of temperature could thus be obtained, the results being in good agreement with theoretical predictions. (C) 2002 Elsevier Science B.V. All rights reserved.

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Language(s): eng - English
 Dates: 2002-06
 Publication Status: Issued
 Pages: -
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 Table of Contents: -
 Rev. Type: Peer
 Identifiers: eDoc: 15605
ISI: 000177055500074
 Degree: -

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Title: Nuclear Instruments and Methods in Physics Research B: Beam Interactions with Materials and Atoms
  Alternative Title : Nucl. Instrum. Methods Phys. Res. Sect. B: Beam Interact. Mater. Atoms
Source Genre: Journal
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Pages: - Volume / Issue: 193 Sequence Number: - Start / End Page: 455 - 459 Identifier: ISSN: 0168-583X