As a unique structural characterization technique,anomalous small-angle X-ray scattering (ASAXS) isinvaluable for highlighting the nanoscale structural informationprovided by resonantly scattered atoms. In this paper,...As a unique structural characterization technique,anomalous small-angle X-ray scattering (ASAXS) isinvaluable for highlighting the nanoscale structural informationprovided by resonantly scattered atoms. In this paper, thetheory and advantages of ASAXS are first introduced. Then,the development of common methods for ASAXS data analysisis summarized, including the Stuhrmann method, the subtractionmethod, and the direct modeling method. Next, themain applications of the ASAXS technique in low-Z materials,nanocomposites, polyelectrolytes, polymer micelles, glass, andmetal catalysts are reviewed. Finally, the limitations and futuredirections of the ASAXS method are briefly discussed. Thispaper summarizes the latest advancements in ASAXS, facilitatinga deeper understanding and broader applications of theASAXS technique.展开更多
基金supported by the National Key R&D Program of China (2022YFA1603802 and 2017YFA0403001)the National Natural Science Foundation of China (12275300)+1 种基金the Innovation Program of the Institute of High Energy Physics,Chinese Academy of Sciences (2023000034)the Natural Science Foundation of Hebei Province (B2024203051)。
文摘As a unique structural characterization technique,anomalous small-angle X-ray scattering (ASAXS) isinvaluable for highlighting the nanoscale structural informationprovided by resonantly scattered atoms. In this paper, thetheory and advantages of ASAXS are first introduced. Then,the development of common methods for ASAXS data analysisis summarized, including the Stuhrmann method, the subtractionmethod, and the direct modeling method. Next, themain applications of the ASAXS technique in low-Z materials,nanocomposites, polyelectrolytes, polymer micelles, glass, andmetal catalysts are reviewed. Finally, the limitations and futuredirections of the ASAXS method are briefly discussed. Thispaper summarizes the latest advancements in ASAXS, facilitatinga deeper understanding and broader applications of theASAXS technique.