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Table 1 Sizes and magnetic properties of the hematite shapes

From: Nano-structural effects on Hematite (α-Fe2O3) nanoparticle radiofrequency heating

Sample Names Avg. Sizea (nm) Ms (emu/g) Mr (emu/g) Mr/Ms Hc (Oe)
Nanorods  ~ 38 4.58 0.264 0.058 30.0
Nanosheets 4–7 ×  ~ 200 [24] 3.25 0.020 0.006 20.0
Nanodiamonds  ~ 24 1.02b 0.004 n/a 27.8
Nanospheres  ~ 66 0.69 0.020 0.029 27.5
Rugby balls  ~ 178 0.96b 0.200 n/a 2750
  1. aDetermined from SEM images
  2. bMagnetization value measured at maximum magnetic field (50 kOe)