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Level scheme of Fe, showing the cooling transition and the three leaking transitions. The total leak rate is 1:243. A repumper would reduce the leak by a factor 5.7.
Schematic of the experimental scheme. Fe atoms (circles) from source (left) are laser cooled (center) and then deposited through a light mask (right).
Nanostructures from atomic Fe. Top: AFM scan of surface. Bottom: integrated line profile. Lines are approximately wide and spaced at intervals.
The optical properties of the three ferromagnetic transition metals. Leak ratios determined from NIST Atomic Spectra Database (Ref. 11) where available.
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