Figure 3From: The heating effect of iron-cobalt magnetic nanofluids in an alternating magnetic field: application in magnetic hyperthermia treatmentTEM micrographs of as-synthesized nanoparticles and corresponding size distributions. (a) W1, (b) W2, (c) W3, (d) W4, (e) A1 (W4 annealed at 623 K) for 10 min, and (f) A2 (W4 annealed at 823 K) for 10 min.Back to article page