Ba-Cu-O-Y, Oxide, Rare earth, Phase transitions

• Ba-Ca-Cu-O-Y
• Ba-Cu-O-Sm-Y
• Al-Ba-Cu-O-Y
• Ba-Cu-Fe-O-Y
• fusion
• temperature for congruent melting
• structural transitions
• phase diagram
• rare earth
• alkaline
• oxide
• chalcogen
• transitional
• orthorhombic
• tetragonal
• cubic
• monoclinic
• trigonal