Chalcogen, Lanthanoid, Rare earth, Transitional, King

• Mn-Na-O-Tb-W
• Ba-Mn-O-Tb
• Mn-Na-Nd-O-W
• Fe-La-Na-Nb-O
• Fe-La-Na-O-Ta
• magnetic properties
• Curie-Weiss paramagnetism
• structural properties
• magnetic susceptibility
• magnetic transitions
• transitional
• lanthanoid
• rare earth
• chalcogen
• oxide
• orthorhombic
• monoclinic
• tetragonal
• cubic
• hexagonal