Phase diagrams of rare-earth iron garnets with a compensation point at the phase transitions interactions

Based on experimental data of the behavior of magnetic phases of partially substituted rare-earth garnet ferrites (BiYLu)$_3$(FeGa)$_5$O$_{12}$ and (BiGd)$_3$(FeGa)$_5$O$_{12}$ near the magnetic compensation point in strong magnetic fields, a phenomenological model is proposed to explains the behavior of the non-collinear phase, taking into account the paraprocess during mutual influence of the spin-reorientation phase transition and the Neel point.