Extended Data Fig. 2: Grain size distribution of nickel samples. | Nature

Extended Data Fig. 2: Grain size distribution of nickel samples.

From: High-pressure strengthening in ultrafine-grained metals

Extended Data Fig. 2

a–d, Grain size distributions in 3-nm, 8-nm, 12-nm and 20-nm nickel; e–h, Grain size distribution of 40-nm, 70-nm, 100-nm and 200-nm nickel. The particle sizes of the nickel samples were re-checked with XRD characterization.

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