Ferromagnetic, Rare earth, Temperature for magnetic transition

• Ge-Mn-Sm
• B-Fe-Nd
• La-Mn-O-Sr
• Ca-La-Mn-O
• Ho-Mn-O
• rare earth
• ferromagnetic
• lanthanoid
• transitional
• metal
• tetragonal
• orthorhombic
• hexagonal
• cubic
• trigonal