3D-Ising like ferromagnetism in skyrmionic-bubbles host infinite-layer La <sub>0.825</sub> Sr <sub>0.175</sub> MnO <sub>3</sub> manganite perovskite
Jeetendra Kumar Tiwari, Harish Chandr Chauhan, Birendra Kumar, Subhasis Ghosh
Abstract
Abstract The critical behavior of infinite-layer La 0.825 Sr 0.175 MnO 3 of Ruddlesden–Popper series manganite has been studied around the transition temperature ( ). To reveal the universality class that explains the critical behavior in La 0.825 Sr 0.175 MnO 3 several methods, such as modified Arrott plots, Kouvel–Fisher, entropy and critical isotherm analysis have been employed. The critical exponent for infinite-layer is obtained independently from critical magnetization isotherm and found to satisfy the Widom scaling relation . The universality class of the critical phenomenon in infinite-layer La 0.825 Sr 0.175 MnO 3 manganite can be explained with the help of renormalization group theory approach for three dimensional (3D) systems. We have shown that a short-range 3D-Ising type interaction is responsible for ferromagnetic and second-order phase transition to paramagnetic phase.