Small-angle options of the upgraded ultrasmall-angle x-ray scattering beamline BW4 at HASYLAB

Journal Article · Tue Aug 15 04:00:00 EDT 2006 · Review of Scientific Instruments

DOI:https://doi.org/10.1063/1.2336195· OSTI ID:20853516

Roth, S V; Doehrmann, R; Dommach, M; Kuhlmann, M; Kroeger, I; Gehrke, R; Walter, H; Schroer, C; Lengeler, B; Mueller-Buschbaum, P ^[1]

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1. HASYLAB, DESY, Notkestrasse 85, D-22603 Hamburg (Germany)

We present the upgrade and present status of the ultrasmall-angle x-ray scattering (USAXS) beamline BW4 at the Hamburg Synchrotronstrahlungslabor. In order to extend the accessible scattering vector range, new small-angle setups have been established, making use of the high flux and small divergence of BW4. In standard transmission geometry using a beam size of B=400x400 {mu}m{sup 2} (horizontalxvertical), typical small-angle resolution ranges from d{sub max}=90 to 650 nm, depending on sample-to-detector distance. Additionally a new microfocus option has been established. This microfocus option allows reducing the sample size by one order of magnitude. Using parabolic beryllium compound refractive lenses, a new standard beam size of B=65x35 {mu}m{sup 2} (horizontalxvertical) can be provided. The {mu}-SAXS resolution is as high as d{sub max}=150 nm. Using {mu}-SAXS in combination with grazing incidence ({mu}-GISAXS) on a standard noble metal gradient multilayer, we prove the feasibility of {mu}-GISAXS experiments at a second generation source.

• OSTI ID: 20853516
• Journal Information: Review of Scientific Instruments, Journal Name: Review of Scientific Instruments Journal Issue: 8 Vol. 77; ISSN 0034-6748; ISSN RSINAK
• Country of Publication: United States
• Language: English

Related Subjects

46 INSTRUMENTATION RELATED TO NUCLEAR SCIENCE AND TECHNOLOGY
BEAMS
BERYLLIUM COMPOUNDS
LENSES
METALS
SMALL ANGLE SCATTERING
SPATIAL RESOLUTION
STANDARDS
X RADIATION
X-RAY DIFFRACTION