Fig. 7: grain boundary nanoscale compositional mapping in sample B. | Nature Communications

Fig. 7: grain boundary nanoscale compositional mapping in sample B.

From: Identifying grain boundary and intragranular pinning centres in Sm2(Co,Fe,Cu,Zr)17 permanent magnets to guide performance optimisation

Fig. 7

APT data for the grain boundary (GB) of the reference sample B. a 3D reconstruction with Cu-rich isosurface in blue (isoconcentration value 5 at.% Cu) and blue/green points representing Cu/Zr atoms, showing features of incomplete cellular (“1:5 phase”, #1) and lamellar structure (“Z-phase”, #2) and a Sm, Zr, and Cu-enriched particle (#3) with corresponding 1D profiles (b–d) across the respective features as indicated by named orange arrows.

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