Study of the effect of microstructure and magnetic texture on major hysteresis loop phenomenology using OOMMF
— This paper presents a study of the effect of microstructure and magnetic texture on the hysteresis loop through quasi-static micromagnetic simulations using the open-source software OOMMF. Results show that microstructure and magnetic texture parameters can be used to control the coercivity. The anisotropy constant is the parameter mainly controlling the coercivity. The increase in the volume fraction of hard inclusions in a soft matrix typically leads to higher coercivity. In the case of randomly oriented inclusions, the calculated coercivity is lower than that for the homogeneous soft case which is explained through the prominent anisotropy energy density compared to the much weaker exchange energy density. The results will be used to correlate simulation parameters with magnetic parameters obtained from major hysteresis loop measurements.