From Northwestern University Center for Atom-Probe Tomography
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APT of a Al-Sc-Yb

A nanoscale precipitate found in an Al-Sc-Yb alloy specimen analyzed using a Local Electrode Atom Probe (LEAP®) from Imago Scientific Instruments. The <200> planes (spacing ~0.2nm) in the crystalline lattice of the bulk Al structure are seen in ordered rows (green points). The <100> planes (~spacing 0.4 nm) in the precipitate are also clearly visible.