The influence of the Néel rotation on the magnetic induced dichroism in magnetic fluids

The model developed by Hasmonay et al. (Eur. Phys. J. B 5 (1998) 859) for the static magnetic induced dichroism in magnetic fluids with particles whose magnetic moment is free to rotate inside the particle was used to fit experimental data. The model was found to describe the data more accurately than previous models for magnetic fluids with particles whose magnetic moment direction is frozen relative to the particle.