B-x polyhedra, Fe-O, Non-disordered, Trigonal

• Fe-O-Ti
• B-Fe-O-Tb
• B-Fe-Gd-O
• B-Fe-Nd-O
• B-Fe-Ho-O
• magnetic properties
• thermal and thermodynamic properties
• structural properties
• electronic and electrical properties
• magnetization
• transitional
• chalcogen
• non-disordered
• antiferromagnetic
• metalloid