Microscopy from Scientific Research

FFT of a disordered fcc PdCu NP transforming into a B2 (i.e., ordered bcc) NP at 500 C when viewed from [100]fcc and [110]B2 zone axes (Supplementary Movie 1 ). The insets in a show schematics of fcc ( t = t 0 ) and B2 ( t - t 0 = 400 s) unit cells. The white arrows in a point to the traces connecting the fcc and B2 spots.

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