Observation of re-entrant spin reorientation in TbFe1âˆ...
According estimated using the to Maxwell's relation40,41, following equation the magnetic entropy change in a ∫∫∆SM (T, ∆H) = SM (T, ∆H) − SM (T, 0) = H 0 ∂∂HS dH = 0 H ∂∂MT ...