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Depth-resolved grazing-incidence time-of-flight neutron scattering from a solid-liquid interface

Small‐angle scattering in grazing‐incidence beam geometry has been applied on a time‐of‐flight neutron instrument to investigate a solid–liquid boundary. Owing to the broad wavelength distribution provided for a specific incident beam angle, the penetration depth of the neutron beam is varied over a...

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Published in:Journal of applied crystallography 2014-02, Vol.47 (1), p.130-135
Main Authors: Wolff, M., Herbel, J., Adlmann, F., Dennison, A. J. C., Liesche, G., Gutfreund, P., Rogers, S.
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container_issue 1
container_start_page 130
container_title Journal of applied crystallography
container_volume 47
creator Wolff, M.
Herbel, J.
Adlmann, F.
Dennison, A. J. C.
Liesche, G.
Gutfreund, P.
Rogers, S.
description Small‐angle scattering in grazing‐incidence beam geometry has been applied on a time‐of‐flight neutron instrument to investigate a solid–liquid boundary. Owing to the broad wavelength distribution provided for a specific incident beam angle, the penetration depth of the neutron beam is varied over a wide range in a single measurement. The near surface structures of block copolymer micelles close to silicon substrates with distinct surface energies are resolved. It is observed that the very near surface structure strongly depends on the surface coating, whereas further away from the surface, bulk‐like ordering is found.
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ispartof Journal of applied crystallography, 2014-02, Vol.47 (1), p.130-135
issn 1600-5767
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language eng
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source Wiley
subjects Beams (radiation)
Block copolymers
Boundaries
Coatings
Crystallography
grazing-incidence small-angle neutron scattering
Neutron scattering
Neutrons
Scattering
Silicon substrates
solid-liquid boundaries
Surface structure
time of flight
Wavelengths
title Depth-resolved grazing-incidence time-of-flight neutron scattering from a solid-liquid interface
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