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Figure 1

From: Anisotropic characteristics and improved magnetic performance of Ca–La–Co-substituted strontium hexaferrite nanomagnets

Figure 1

(a) FE-SEM micrographs and particle diameter distribution histograms of the samples with different Ca contents (x) in Sr0.75−xLa0.25CaxFe11.8Co0.2O19 (0.00 ≤ x ≤ 0.60); (b) schematic of the hexagonal Sr-ferrite plates with preferred orientation; (c) FE-SEM images of (left) the Sr-ferrite particles with no Ca addition, and (right) partial Ca2+-substituted Sr-ferrite powder with a higher aspect ratio.

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