A series of inorganic-organic hybrids K2NamH9-m[{Ln(GeW11O39)2}{Cu2(bpy)2(μ-ox)}]·nH2O(bpy=2,2-bipyridine and ox= oxalate;Ln=La,Nd,Sm,Eu,Gd;n=19,17,22,20,19;m
Influences of addition of CaO, CoO and V2O5 on the microstructure and magnetic properties of (Mg0.476Mn0.448Zn0.007)(Fe1.997Ti0.002)O4 ferrites were investigate