How accurate are absolute rutherford backscattering yields

L'Écuyer, J.; Davies, John; Matsunami, N.

doi:10.1016/0029-554x(79)90612-8

Cited by 260 publications

(32 citation statements)

References 8 publications

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“…Cross-section for backscattering of 4 He from Au at 165 • . Universal: Universal potential from [28]; Andersen: Screening function from [27]; L'Ecuyer: Screening function from [26]. Fig.…”

Section: Discussionmentioning

confidence: 99%

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Computer simulation of ion beam analysis: Possibilities and limitations

Mayer

Eckstein

Langhuth

et al. 2011

Nuclear Instruments and Methods in Physics Research Section B:

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Quantitative application of ion beam analysis methods, such as Rutherford backscattering, elastic recoil detection analysis, and nuclear reaction analysis, requires the use of computer simulation codes. The different types of available codes are presented, and their advantages and weaknesses with respect to underlying physics and computing time requirements are discussed. Differences between different codes of the same type are smaller by about one order of magnitude than the uncertainty of basic input data, especially stopping power and cross section data. Even very complex sample structures with elemental concentration variations with depth or laterally varying structures can be simulated quantitatively. Laterally inhomogeneous samples generally result in an ambiguity with depth profiles. The optimization of ion beam analysis measurements is discussed, and available tools are presented.

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Section: Discussionmentioning

confidence: 99%

“…if the deviation from the Rutherford cross-section is below about 20%. Often applied screening corrections are from L'Ecuyer [26] and Andersen [27]. These screening corrections are especially used by analytical simulation codes presented in section 3.3 and in [1].…”

Section: Cross-section Datamentioning

confidence: 99%

Computer simulation of ion beam analysis: Possibilities and limitations

Mayer

Eckstein

Langhuth

et al. 2011

Nuclear Instruments and Methods in Physics Research Section B:

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“…In this iterative procedure the depth profile calculation is started by assuming a homogeneous sample composition obtained by correcting the total yield of each element with the corresponding scattering cross section (screening corrections by Andersen [9] or L'Ecuyer [10] can be selected). Stopping forces for each recoil ion are then calculated for this initial sample composition, and the original depth for each detected recoiled or scattered particle is calculated backwards using the detected energy, stopping forces, and the known measurement geometry.…”

Section: Depth Profile Calculationmentioning

confidence: 99%

Potku – New analysis software for heavy ion elastic recoil detection analysis

Arstila

Julin

Laitinen

et al. 2014

Nuclear Instruments and Methods in Physics Research Section B:

195

107

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Time-of-flight elastic recoil detection (ToF-ERD) analysis software has been developed. The software combines a Python-language graphical front-end with a C code computing back-end in a user-friendly way. The software uses a list of coincident time-offlight-energy (ToF-E) events as an input. The ToF calibration can be determined with a simple graphical procedure. The graphical interface allows the user to select different elements and isotopes from a ToF-E histogram and to convert the selections to individual elemental energy and depth profiles. The resulting sample composition can be presented as relative or absolute concentrations by integrating the depth profiles over user-defined ranges. Beam induced composition changes can be studied by displaying the eventbased data in fractions relative to the substrate reference data. Optional angular input data allows for kinematic correction of the depth profiles. This open source software is distributed under the GPL license for Linux, Mac, and Windows environments.

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“…The validity of the Rutherford model is, however, restricted to an energy window for a given projectile, target and scattering geometry. The low energy limit is set by electronic screening and is usually treated in simulations as a few percent correction 116 The internal representations of the models and/or databases, and the algorithms for implementation, differ from code to code. These differences are likely to produce additional deviations in simulation results beyond those attributable to the input data or models.…”

Section: Fundamental Databasesmentioning

confidence: 99%

Status of ion beam data analysis and simulation software

Raühala

Barradas

Fazinić

et al. 2006

Nuclear Instruments and Methods in Physics Research Section B:

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The status of ion beam data analysis codes dedicated to Rutherford backscattering, elastic recoil detection analysis, and non-resonant nuclear reaction analysis, is reviewed. The most important methods and approaches employed are discussed. The stopping power and scattering cross section databases used, the ion-target interaction physics, the experimental and detection system characteristics, and the structure of samples all have a strong impact on the analytical results. The models and algorithms used by different codes are reviewed and discussed in detail. Limitations in existing codes and perspectives for further developments are presented. The importance of ascertaining the correctness and accuracy of different methods and codes used in ion beam data analysis is stressed.

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How accurate are absolute rutherford backscattering yields

Cited by 260 publications

References 8 publications

Computer simulation of ion beam analysis: Possibilities and limitations

Computer simulation of ion beam analysis: Possibilities and limitations

Potku – New analysis software for heavy ion elastic recoil detection analysis

Status of ion beam data analysis and simulation software

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