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A non-random decomposition was visually observed in both the Al (a vs. b) and Cr (c vs. d) segregation. Solute segregation on a finer scale may be better assessed using a smaller block size (much smaller than k = 1000 as in this case). Conversely, solute segregation found using k = 1000 on the scale rblock ≈ 2 nm may be otherwise indiscernible using scales of smaller block sizes.
