Fig. 3: Generality for synthesis of SAHEA NSs.

a HAADF-STEM image, HAADF-STEM-EDS elemental mapping, and high-resolution HAADF-STEM image of senary Mo1-PdPtCoNiCuZn SAHEA NSs with the corresponding FFT pattern taken from the white dashed area in (a). b HAADF-STEM image, high-resolution HAADF-STEM image, and HAADF-STEM-EDS elemental mapping of septenary Mo1-PdPtFeCoNiCuZn SAHEA NSs.