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Browsing Chemistry by Subject "Chemical imaging"
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Item Making chemical sense of phase in soft X-ray spectroptychography(Elsevier, 7/12/2023) Joseph, Stitsky; Jian, Wang; Stephen, UrquhartSpectroptychography is being used to realize a significant improvement in the spatial resolution of x-ray spectromicroscopy, allowing chemical microanalysis at finer spatial scales. The chemical sensitivity of near edge X-ray absorption fine structure (NEXAFS) is familiar to most researchers who use x-ray spectromicroscopy for chemical microanalysis. However, the additional phase information available through ptychography provides additional and tantalizing data, and potentially additional chemical information. This paper explores the chemical information available in phase for a system of silicon dioxide nanospheres.