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Characterization and assembly of maghemite nanocubes. (A and B) A schematic representation (A) and high-resolution TEM image (B) of a {100} faceted, truncated maghemite nanocube. (Scale bar: 2 nm.) (C) TEM image and ED pattern (Inset) of a dense nanocube monolayer formed by drying at room temperature in the absence of an external magnetic field. (Scale bar: 100 nm.) The x-ray diffraction pattern of the nanocubes and the characterization of the magnetic properties can be found in the SI.
