Comparing the spatial distribution of Mn 3 O 4 (blue) and sulfate signals (red) in films cycled 1× ( Figure 4 a–e), 100× ( Figure 4 f–j) and 300× ( Figure 4 k–o) reveals a notable trend.
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Comparing the spatial distribution of Mn 3 O 4 (blue) and sulfate signals (red) in films cycled 1× ( Figure 4 a–e), 100× ( Figure 4 f–j) and 300× ( Figure 4 k–o) reveals a notable trend.