Figure 4: SEM image in the BSE mode and EDXS analyses of carbon/sulfur microstructures. | Nature Communications

Figure 4: SEM image in the BSE mode and EDXS analyses of carbon/sulfur microstructures.

From: Self-assembly of biomorphic carbon/sulfur microstructures in sulfidic environments

Figure 4

(a) BSE SEM image of filaments and spheres formed in the presence of yeast extract 2 g l−1 and peptone 10 g l−1, showing that the almost transparent carbon shells are partially filled with sulfur (bright phase). (b) EDXS spectra of the areas circled in a showing C and C/S regions. Scale bar, 10 μm (a).

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