Overview: Features an extensive exploration of magnetic properties of perovskite materials using DFT and Monte Carlo simulations.Gives a detailed comparison of DFT results obtained using GGA, GGA+U, and mBJ app.This book undertakes an extensive exploration of manganese-based compounds, such as T₁₋ₓSrxMnO₃ (T = La, Pr; x = 0.35, 0.25) using density functional theory and Monte Carlo simulations with a focus on understanding their electronic, magnetic, and magnetocaloric properties. Ba₁₋ₓSrxFeO₃ (x = 0, 0.2) is also studied via different approximations, offering a comparative perspective. In addi
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