Chalcogen, Oxide, Rare earth, Keller

• Eu-O-Ti
• Ba-Cu-O-Y
• Ba-Cu-La-O
• Cu-Ir-La-O
• As-F-Fe-O-Sm
• magnetic properties
• structural properties
• magnetization
• magnetic transitions
• phase transitions
• chalcogen
• oxide
• rare earth
• lanthanoid
• transitional
• tetragonal
• orthorhombic
• cubic
• monoclinic
• trigonal