Sparse X-ray hyperspectral tomography for nanoscopic compositional analysis of VPO catalysts

Zirui Gao,Michal Odstrcil,Sebastian Böcklein,Dennis Palagin,Mirko Holler,Dario Ferreira Sanchez,Frank Krumeich,Andreas Menzel,Marco Stampanoni,Gerhard Mestl,Jeroen A. van Bokhoven,Manuel Guizar-Sicairos,Johannes Ihli

OSA Imaging and Applied Optics Congress 2021 (3D, COSI, DH, ISA, pcAOP)（2021）

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摘要

We introduced a novel X-ray measurement and reconstruction method that allows the acquisition of high-resolution hyperspectral tomograms. We applied it for compositional analysis of VPO catalysts which lead to a reevaluation of their working mechanisms.

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