Extended Data Fig. 1: Structural characterization of 2H/fcc-Au@2H/fcc-HEA core-shell NSs, fcc/2H/fcc-Au@fcc/2H/fcc-HEA core-shell NRs, 4H/fcc-Au@4H/fcc-HEA core-shell NRs and fcc-Au@fcc-HEA core-shell NWs.
From: Synthesis of 4H-phase high-entropy alloys for electrocatalysis
a-e, top: STEM images and STEM-EDS elemental maps (scale bar, 500 nm), bottom left: the corresponding FFT patterns and bottom right: the magnified HAADF-STEM images (scale bar, 1 nm) of the representative 2H/fcc-Au@2H/fcc-IrPtNiFeCoRh (a), 2H/fcc-Au@2H/fcc-IrPtNiFeCoRhPd (b), 2H/fcc-Au@2H/fcc-IrPtNiFeCoRhPdRu (c), 2H/fcc-Au@2H/fcc-IrPtNiFeCoRhPdRuCu (d) and 2H/fcc-Au@2H/fcc-IrPtNiFeCoRhPdRuCuMn (e) NSs, showing 2H/fcc heterophases. f-j, top: STEM images and STEM-EDS elemental maps (scale bar, 10 nm), bottom left: the corresponding FFT patterns and bottom right: the magnified HAADF-STEM images (scale bar, 2 nm) of the representative fcc/2H/fcc-Au@fcc/2H/fcc-IrPtNiFeCoRh (f), fcc/2H/fcc-Au@fcc/2H/fcc-IrPtNiFeCoRhPd (g), fcc/2H/fcc-Au@fcc/2H/fcc-IrPtNiFeCoRhPdRu (h), fcc/2H/fcc-Au@fcc/2H/fcc-IrPtNiFeCoRhPdRuCu (i) and fcc/2H/fcc-Au@fcc/2H/fcc-IrPtNiFeCoRhPdRuCuMn (j) NRs, showing the fcc/2H/fcc heterophases. k-o, top: STEM images and STEM-EDS elemental maps (scale bar, 20 nm), bottom left: the corresponding FFT patterns and bottom right: the magnified HAADF-STEM images (scale bar, 1 nm) of the representative 4H/fcc-Au@4H/fcc-IrPtNiFeCoRh (k), 4H/fcc-Au@4H/fcc-IrPtNiFeCoRhPd (l), 4H/fcc-Au@4H/fcc-IrPtNiFeCoRhPdRu (m), 4H/fcc-Au@4H/fcc-IrPtNiFeCoRhPdRuCu (n) and 4H/fcc-Au@4H/fcc-IrPtNiFeCoRhPdRuCuMn (o) NRs, showing the 4H/fcc heterophases. p-t, top: STEM images and STEM-EDS elemental maps (scale bar, 10 nm), bottom left: the corresponding FFT patterns and bottom right: the magnified HAADF-STEM images (scale bar, 2 nm) of the representative fcc-Au@fcc-IrPtNiFeCoRh (p), fcc-Au@fcc-IrPtNiFeCoRhPd (q), fcc-Au@fcc-IrPtNiFeCoRhPdRu (r), fcc-Au@fcc-IrPtNiFeCoRhPdRuCu (s) and fcc-Au@fcc-IrPtNiFeCoRhPdRuCuMn (t) NWs, showing the pure fcc phase.
