Figure 2: Magnetic properties of ε-RhxFe2−xO3 nanomagnets.
From: Hard magnetic ferrite with a gigantic coercivity and high frequency millimetre wave rotation

(a) Magnetization versus external magnetic field plot of non-oriented ε-Rh0.14Fe1.86O3 nanoparticles at 300 K exhibiting a coercive field of 27 kOe. (b) Magnetization versus external magnetic field plot of crystallographically oriented ε-Rh0.14Fe1.86O3/resin at 300 K exhibiting a coercive field of 31 kOe.