fig2

Figure 2. Various amorphous alloys prepared by different methods and structural characterization results of the amorphous alloys. (A) Mesoporous Ni-B nanospheres obtained from a dual chemical reduction. (B) SAED pattern of a single mesoporous Ni-B alloy sphere. (C) HRTEM images of 3D mesoporous Ni-B nanostructures. Reproduced with permission from Ref.^[28] Copyright 2020, Wiley-VCH. (D) The synthesis process of P-NiMoO₄ nanoarrays via hydrothermal reaction and phosphorization process. (E) TEM specimen prepared by FIB lift-out techniques from P-NiMoO₄ nanorod. The inset shows the electron diffraction pattern of region A. (F) The magnified TEM image of region C in panel (E). Reproduced with permission from Ref.^[35] Copyright 2024, American Chemical Society. (G) LITV method used to synthesize and direct-write mixed metal oxides from fluid precursors. (H) SEM images and SEM-EDS maps of single, binary, and ternary metal oxides and mixed metal oxides of Fe, Co, and Ni as prepared from solutions containing the ions listed at left. Reproduced with permission from Ref.^[41] Copyright 2021, American Chemical Society.