Two-axis neutron and X-ray reflectivity: How to avoid alignment pitfalls and how to correct for them

Wim G. Bouwman, Martin E. Vigild, Eberhard Findeisen, Kristian Kjaer, Robert Feidenhans’l, Elisabeth A.L. Mol

Research output: Contribution to journalArticleScientificpeer-review

2 Citations (Scopus)

Abstract

Sample alignment for neutron (and in some cases x-ray) refiectometry can be complicated due to a coupling between angle and position which occurs when slits are used to define the path of the beam. Misalignments in sample position or sample rotation angle give rise to systematic errors in the experiments. By measuring the reflectivity both from the back and from the front faces of the sample (twin refiectometry) these alignment errors can be detected and corrected for.

Original languageEnglish
Pages (from-to)133-146
Number of pages14
JournalJournal of Neutron Research
Volume5
Issue number3
DOIs
Publication statusPublished - 1 Jan 1997

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