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Beating effects in ...
Beating effects in multilayer systems studied with neutron reflectometry
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- Droulias, Sotirios A. (author)
- Uppsala universitet,Materialfysik
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- Pálsson, Gunnar K. (author)
- Uppsala universitet,Materialfysik
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- Hjörvarsson, Björgvin (author)
- Uppsala universitet,Materialfysik
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- Wolff, Max (author)
- Uppsala universitet,Materialfysik
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(creator_code:org_t)
- English.
- Related links:
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https://urn.kb.se/re...
Abstract
Subject headings
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- We demonstrate the limitations of a partial, phenomenological tting approach comparedto full simulations, including reection and refraction at all interfaces on theexample of hydrogen loading in ultra thin vanadium layers. Fe/V superlattices areloaded with deuterium and the lattice expansion and deuterium concentration isextracted from neutron reectivity data. We nd a noticeable dierence betweenthe direct extraction of concentrations and bilayer thicknesses from the superlatticepeaks and ts of the full density prole using the Parratt formalism. Our results underlinethe importance of carefully considering the limitations of phenomenologicalapproaches, in order to obtain robust results.
Subject headings
- NATURVETENSKAP -- Fysik (hsv//swe)
- NATURAL SCIENCES -- Physical Sciences (hsv//eng)
Publication and Content Type
- vet (subject category)
- ovr (subject category)
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