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. 2023 Jan 26;14:429. doi: 10.1038/s41467-023-36015-z

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© The Author(s) 2023

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Fig. 2 — a Solid-state ¹³C CP/MAS NMR of HCP-OH and HCP-CH₃. Asterisks denote spinning sidebands. b FT-IR of the HCP-OH and HCP-CH₃. c SEM images of HCP-OH. The green square is the FIB reconstruction area. d 3D reconstruction through SEM-FIB. e–h HADDF and TEM mapping of different elements of Ir-HCP-OH. i HR-TEM images of Ir particles.