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 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.

Herbel, J.Uppsala universitet,Materialfysik (author)
Adlmann, FranzUppsala universitet,Materialfysik(Swepub:uu)fraad979 (author)
Dennison, Andrew J. C.Uppsala universitet,Materialfysik(Swepub:uu)andde685 (author)
Liesche, G. (author)
Gutfreund, P. (author)
Rogers, S. (author)
Uppsala universitetMaterialfysik (creator_code:org_t)

By the author/editor: Wolff, Max; Herbel, J.; Adlmann, Franz; Dennison, Andrew ...; Liesche, G.; Gutfreund, P.; show more...; Rogers, S.; show less...

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