Fig. 7: In situ XPS measurements of Zr0.5(NiFeCuMnCo)0.5Ox.
From: Self-regeneration of supported transition metals by a high entropy-driven principle
The sample was treated with X-ray exposure under UHV (traditionally ultrahigh vacuum) conditions (0.2 mbar H2). a Photograph of Zr0.5(NiFeCuMnCo)0.5Ox under NAPXPS test at room temperature. b Photograph of Zr0.5(NiFeCuMnCo)0.5Ox under NAPXPS test at 873 K. c Co 2p region. d Ni 2p region. e, f Cu 2p region. g Fe 2p region. h Mn 2p region. i Zr 3d region.
