Alkaline, Chalcogen, Metalloid, Non-disordered, Keszler

• Ba-Cu-F-Te
• B-O-Sc-Sr
• B-Ba-Cu-O
• B-Ba-O-Sc
• B-Ba-O-Y
• structural properties
• phase transitions
• optical properties
• temperature for congruent melting
• fusion
• non-disordered
• chalcogen
• alkaline
• metalloid
• trigonal
• monoclinic
• hexagonal
• tetragonal
• orthorhombic