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用于PETRA III材料研究的新型小角X射线散射光束线：SAXSMAT光束线P62。

The new small-angle X-ray scattering beamline for materials research at PETRA III: SAXSMAT beamline P62.

作者信息

Haas S, Sun X, Conceição A L C, Horbach J, Pfeffer S

机构信息

Deutsches Elektronen-Synchrotron (DESY), Notkestrasse 85, Hamburg 22607, Germany.

出版信息

J Synchrotron Radiat. 2023 Nov 1;30(Pt 6):1156-1167. doi: 10.1107/S1600577523008603. Epub 2023 Oct 20.

DOI:10.1107/S1600577523008603
PMID:37860939
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC10624033/
Abstract

The SAXSMAT beamline P62 (Small-Angle X-ray Scattering beamline for Materials Research) is a new beamline at the high-energy storage ring PETRA III at DESY. This beamline is dedicated to combined small- and wide-angle X-ray scattering (SAXS/WAXS) techniques for both soft and hard condensed matter systems. It works mainly in transmission geometry. The beamline covers an energy range from 3.5 keV to 35.0 keV, which fulfills the requirements of the user community to perform anomalous scattering experiments. Mirrors are used to reduce the intensity of higher harmonics. Furthermore, the mirrors and 2D compound refracting lenses can focus the beam down to a few micrometres at the sample position. This option with the high photon flux enables also SAXS/WAXS tensor tomography experiments to be performed at this new beamline in a relatively short time. The first SAXS/WAXS pattern was collected in August 2021, while the first user experiment was carried out two months later. Since January 2022 the beamline has been in regular user operation mode. In this paper the beamline optics and the SAXS/WAXS instrument are described and two examples are briefly shown.

摘要

SAXSMAT光束线P62（用于材料研究的小角X射线散射光束线）是德国电子同步加速器研究所（DESY）高能储存环PETRA III上的一条新光束线。该光束线致力于对软凝聚态和硬凝聚态系统同时开展小角和广角X射线散射（SAXS/WAXS）技术研究。它主要在透射几何构型下工作。该光束线的能量范围为3.5千电子伏特至35.0千电子伏特，满足了用户群体进行反常散射实验的要求。使用镜子来降低高次谐波的强度。此外，镜子和二维复合折射透镜可将光束在样品位置聚焦至几微米。这种具有高光子通量的配置还能使SAXS/WAXS张量断层扫描实验在这条新光束线上在相对较短的时间内完成。2021年8月采集到了第一张SAXS/WAXS图谱，而首次用户实验在两个月后进行。自2022年1月起，该光束线进入常规用户运行模式。本文描述了光束线光学器件和SAXS/WAXS仪器，并简要展示了两个示例。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/6d9b/10624033/270dd1705b02/s-30-01156-fig10.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/6d9b/10624033/a166e417ff72/s-30-01156-fig1.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/6d9b/10624033/35e6eba018a1/s-30-01156-fig2.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/6d9b/10624033/39196bf5fbc5/s-30-01156-fig3.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/6d9b/10624033/1d964f3291c3/s-30-01156-fig4.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/6d9b/10624033/dccbcb6f3005/s-30-01156-fig5.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/6d9b/10624033/9176b41c1b02/s-30-01156-fig6.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/6d9b/10624033/7054782289bd/s-30-01156-fig7.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/6d9b/10624033/5df01eba9613/s-30-01156-fig8.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/6d9b/10624033/e0cc91a181fa/s-30-01156-fig9.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/6d9b/10624033/270dd1705b02/s-30-01156-fig10.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/6d9b/10624033/a166e417ff72/s-30-01156-fig1.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/6d9b/10624033/35e6eba018a1/s-30-01156-fig2.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/6d9b/10624033/39196bf5fbc5/s-30-01156-fig3.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/6d9b/10624033/1d964f3291c3/s-30-01156-fig4.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/6d9b/10624033/dccbcb6f3005/s-30-01156-fig5.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/6d9b/10624033/9176b41c1b02/s-30-01156-fig6.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/6d9b/10624033/7054782289bd/s-30-01156-fig7.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/6d9b/10624033/5df01eba9613/s-30-01156-fig8.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/6d9b/10624033/e0cc91a181fa/s-30-01156-fig9.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/6d9b/10624033/270dd1705b02/s-30-01156-fig10.jpg

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