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Fig. 5 | Nanoscale Research Letters

Fig. 5

From: Magnetic-Field-Assisted Assembly of Anisotropic Superstructures by Iron Oxide Nanoparticles and Their Enhanced Magnetism

Fig. 5

SEM images of the rod-shaped superstructures prepared under different conditions. a SEM image of the superstructures prepared by increasing the tilt angle of the substrate. b SEM image of the superstructures prepared by decreasing the concentration of the nanoparticle solution. c SEM image of the superstructures prepared by reducing the magnitude and gradient of the applied magnetic field

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