Journal
JOURNAL OF APPLIED CRYSTALLOGRAPHY
Volume 51, Issue -, Pages 679-684Publisher
INT UNION CRYSTALLOGRAPHY
DOI: 10.1107/S1600576718004326
Keywords
crystal truncation rods; interfaces; direct inversion; phase retrieval; double layers
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Funding
- US Department of Energy (DOE), Office of Basic Energy Science (BES), Materials Sciences and Engineering Division
- DOE BES Scientific User Facilities Division [DE-AC02-06CH11357]
- Japan Society for the Promotion of Science (JSPS)
- Research Corporation for Science Advancement (RCSA) through a Cottrell College Science Award
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A one-dimensional non-iterative direct method was employed for normalized crystal truncation rod analysis. The non-iterative approach, utilizing the Kramers-Kronig relation, avoids the ambiguities due to an improper initial model or incomplete convergence in the conventional iterative methods. The validity and limitations of the present method are demonstrated through both numerical simulations and experiments with Pt(111) in a 0.1 M CsF aqueous solution. The present method is compared with conventional iterative phase-retrieval methods.
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