In this paper, we present the first quantitative determination of the divergence law of the correlation length ξ, when approaching the second order phase transition DO3→B2, by studying the behaviour of the APBs by transmission electron microscopy.
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Floc’h, D.L., Loiseau, A. Critical Behavior of Antiphase Boundaries in Fe-A127% Close to the D03→B2 Order Phase Transition. MRS Online Proceedings Library 398, 551–556 (1995). https://doi.org/10.1557/PROC-398-551