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@ARTICLE{Mattauch:828005,
author = {Mattauch, Stefan and Ioffe, A. and Lott, D. and Menelle, A.
and Ott, F. and Medic, Z.},
title = {{VERITAS}: a high-flux neutron reflectometer with vertical
sample geometry for a long pulse spallation sources-2},
journal = {Journal of physics / Conference Series},
volume = {711},
issn = {1742-6596},
address = {Bristol},
publisher = {IOP Publ.},
reportid = {FZJ-2017-02027},
pages = {012009 -},
year = {2016},
abstract = {An instrument concept of a reflectometer with a vertical
sample geometry fitted to the long pulse structure of a
spallation source, called "VERITAS" at the ESS, is
presented. It focuses on designing a reflectometer with high
intensity at the lowest possible background following the
users' demand to investigate thin layers or interfacial
areas in the sub-nanometer length scale. The high intensity
approach of the vertical reflectometer fits very well to the
long pulse structure of the ESS. Its main goal is to deliver
as much usable intensity as possible at the sample position
and be able to access a reflectivity range of 8 orders of
magnitude and more. The concept assures that the
reflectivity measurements can be performed in its best way
to maximize the flux delivered to the sample. The
reflectometer is optimized for studies of (magnetic) layers
having thicknesses down to 5Å and a surface area of 1x1cm2.
With reflectivity measurements the depth-resolved, laterally
averaged chemical and magnetic profile can be investigated.
By using polarised neutrons, additional vector information
on the in-plane magnetic correlations (off-specular
scattering at the pm length scale, GISANS at the nm length
scale) can be studied. The full polarisation analysis could
be used for soft matter samples to correct for incoherent
scattering which is presently limiting neutron reflectivity
studies to a reflectivity range on the order of 10-6.},
cin = {JCNS (München) ; Jülich Centre for Neutron Science JCNS
(München) ; JCNS-FRM-II / JCNS-2},
ddc = {530},
cid = {I:(DE-Juel1)JCNS-FRM-II-20110218 /
I:(DE-Juel1)JCNS-2-20110106},
pnm = {524 - Controlling Collective States (POF3-524) / 6212 -
Quantum Condensed Matter: Magnetism, Superconductivity
(POF3-621) / 6G15 - FRM II / MLZ (POF3-6G15) / 6G4 - Jülich
Centre for Neutron Research (JCNS) (POF3-623) / 144 -
Controlling Collective States (POF3-144) / 6213 - Materials
and Processes for Energy and Transport Technologies
(POF3-621) / 6215 - Soft Matter, Health and Life Sciences
(POF3-621)},
pid = {G:(DE-HGF)POF3-524 / G:(DE-HGF)POF3-6212 /
G:(DE-HGF)POF3-6G15 / G:(DE-HGF)POF3-6G4 /
G:(DE-HGF)POF3-144 / G:(DE-HGF)POF3-6213 /
G:(DE-HGF)POF3-6215},
experiment = {EXP:(DE-MLZ)NOSPEC-20140101},
typ = {PUB:(DE-HGF)16},
UT = {WOS:000376006000009},
doi = {10.1088/1742-6596/711/1/012009},
url = {https://juser.fz-juelich.de/record/828005},
}