Yue-Liang Gu, Xu Zheng, Xing-Min Zhang, Bin Zhao, Guang-Zhi Yin, Da-Ming Zhu, Yuan-He Sun, Xing-Yu Gao, Xiao-Long Li
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引用次数: 0
摘要
上海同步辐射设施的 BL02U2 是一条表面衍射光束线,在 10 keV 时光子通量为 5.5 × 1012 光子/秒,样品点的光束尺寸为 160 µm × 80 µm。它致力于研究纳米科学、凝聚态物质和软物质系统中的表面(固-真空、固-气)和界面(固-固、固-液、液-液),在 4.8-28 keV 的能量范围内使用各种表面散射技术,并采用透射和反射模式。此外,BL02U2 还具有高能量分辨率、高角度分辨率和低光束发散性,可为 X 射线衍射实验(如掠入射 X 射线衍射、X 射线反射率、晶体截断棒和液体 X 射线散射)提供出色的性能。还可以为所研究的样品提供多样化的原位环境。本文介绍了新光束线的设置及其在各个领域的应用。
BL02U2 of the Shanghai Synchrotron Radiation Facility is a surface diffraction beamline with a photon flux of 5.5 × 1012 photons/s at 10 keV and a beam size of 160 µm × 80 µm at the sample site. It is dedicated to studying surfaces (solid–vacuum, solid–gas) and interfaces (solid–solid, solid–liquid, and liquid–liquid) in nanoscience, condensed matter, and soft matter systems using various surface scattering techniques over an energy range of 4.8–28 keV with transmission and reflection modes. Moreover, BL02U2 has a high energy resolution, high angular resolution, and low beam divergence, which can provide excellent properties for X-ray diffraction experiments, such as grazing incident X-ray diffraction, X-ray reflectivity, crystal truncation rods, and liquid X-ray scattering. Diversity of in situ environments can also be provided for the samples studied. This paper describes the setup of the new beamline and its applications in various fields.
期刊介绍:
Nuclear Science and Techniques (NST) reports scientific findings, technical advances and important results in the fields of nuclear science and techniques. The aim of this periodical is to stimulate cross-fertilization of knowledge among scientists and engineers working in the fields of nuclear research.
Scope covers the following subjects:
• Synchrotron radiation applications, beamline technology;
• Accelerator, ray technology and applications;
• Nuclear chemistry, radiochemistry, radiopharmaceuticals, nuclear medicine;
• Nuclear electronics and instrumentation;
• Nuclear physics and interdisciplinary research;
• Nuclear energy science and engineering.