Taskaev Sv 1

1. A-site cation size effect on structure and magnetic properties of Sm(Eu,Gd)Cr_0.2Mn_0.2Fe_0.2CO_0.2Ni_0.2O₃ high-entropy solid solutions
2. High entropy BaFe_12-x(Ti/Mn/Ga/In)_xO₁₉ (x = 1–7) oxides: Correlation of the composition, entropy state, magnetic characteristics, and terahertz properties
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