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Zeitschrift für Physikalische Chemie

International journal of research in physical chemistry and chemical physics

Editor-in-Chief: Rademann, Klaus


IMPACT FACTOR 2017: 1.144
5-year IMPACT FACTOR: 1.144

CiteScore 2017: 1.08

SCImago Journal Rank (SJR) 2017: 0.495
Source Normalized Impact per Paper (SNIP) 2017: 0.495

Online
ISSN
2196-7156
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Volume 230, Issue 4

Issues

Matrix Effects in X-ray Fluorescence Holography: Samples of Arbitrary Thickness

Dawid Tadeusz Dul / Paweł Korecki
Published Online: 2015-10-23 | DOI: https://doi.org/10.1515/zpch-2015-0651

Abstract

The influence of matrix effects i.e. beam attenuation (BA) and indirect excitation (IE) on local structure imaging with multiple-energy x-ray fluorescence holography is studied using computer simulations. An analytic formalism is developed which allows for the description of BA and IE when the thickness of the sample is arbitrary. It is shown that beyond the thin-sample approximation, in specific cases, the measured holograms cannot be treated as entirely element sensitive. Consequently, it is demonstrated that due to the reduction of element sensitivity, spurious maxima can arise in the holographic reconstruction which can be misinterpreted as atomic images. The proposed formalism allows one to analyse BA and IE and to correct for them. It opens way for quantitative interpretation of x-ray fluorescence holograms.

Keywords: X-ray Fluorescence Holography; Matrix Effects; Atomic Structure Determination

About the article

Accepted: 2015-09-23

Received: 2015-06-25

Published Online: 2015-10-23

Published in Print: 2016-04-28


Citation Information: Zeitschrift für Physikalische Chemie, Volume 230, Issue 4, Pages 457–470, ISSN (Online) 2196-7156, ISSN (Print) 0942-9352, DOI: https://doi.org/10.1515/zpch-2015-0651.

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[1]
Kouichi Hayashi and Pawel Korecki
Journal of the Physical Society of Japan, 2018, Volume 87, Number 6, Page 061003

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