Chalcogen, Transitional, Cramed

• K-O-Pb-Ta
• Ba-Cu-La-O
• O-Ti
• Ba-Cu-O-Y
• Ba-Ca-K-O-Ta
• structural properties
• phase diagram
• phase transitions
• thermal expansion
• transitional
• chalcogen
• quaternary
• pnictogen
• alkali
• monoclinic
• cubic
• triclinic
• tetragonal
• hexagonal