fig4

Figure 4. (A) Schematic diagram of partially oxidized Cu surface reconfiguration to form triatomic clusters; (B) Cu(111) surface, from left to right are model, simulated STM and experimental TEM images respectively; (C) Diagram of a stepwise deoxidation process with oxygen atom removal rate from 0 to 1^[98], Copyright 2022, American Chemical Society; (D) Structural construction of cluster@NV-W₂N₃^[90], Copyright 2023, American Chemical Society; (E) Schematic diagram of metal triatomic cluster anchored on MoS₂; (F) Formation energy change of Mx/MoS_2-v^[91], Copyright 2023, American Chemical Society. STM: Scanning tunneling microscope; TEM: transmission electron microscopy.