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

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

doi:10.1364/COSI.2021.CTu2H.6

OSA Imaging and Applied Optics Congress 2021 (3D, COSI, DH, ISA, pcAOP)
OSA Technical Digest (Optica Publishing Group, 2021),
paper CTu2H.6
•https://doi.org/10.1364/COSI.2021.CTu2H.6

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 Anton van Bokhoven, Manuel Guizar-Sicairos, and Johannes Ihli

Computational Optical Sensing and Imaging 2021

Washington, DC United States
19–23 July 2021
ISBN: 978-1-943580-89-7

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Ptychography I (CTu2H)

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Z. Gao, M. Odstrcil, S. Böcklein, D. Palagin, M. Holler, D. F. Sanchez, F. Krumeich, A. Menzel, M. Stampanoni, G. Mestl, J. A. van Bokhoven, M. Guizar-Sicairos, and J. Ihli, "Sparse X-ray hyperspectral tomography for nanoscopic compositional analysis of VPO catalysts," in OSA Imaging and Applied Optics Congress 2021 (3D, COSI, DH, ISA, pcAOP), H. Hua, B. Javidi, M. Martinez-Corral, O. Matoba, A. Stern, S. Thibault, T. Alieva, J. Ke, F. Willomitzer, F. Okten, P. Silveira, P. Banerjee, E. Stoykova, D. Chu, J. Park, F. Imai, C. Joo, M. Digman, D. Gardner, S. Gladysz, D. LeMaster, S. Basu, and O. Korotkova, eds., OSA Technical Digest (Optica Publishing Group, 2021), paper CTu2H.6.

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Abstract

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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