Enhanced ferromagnetic order in Sr4Mn3O3(GeO4)3 featuring canted [MnO4]â spin chains of mixed-valent Mn(III)/Mn(IV). Aliovalent substitution of the Sr4âxLnxMnIII2+xMnIV1âxO3(GeO4)3 solid-solution
Keywords: ساختارهای زنجیره ای; Chain structures; Double aliovalent substitution; Ferromagnetism; Kagomé; Mixed-valent compounds;