Alkaline, Chalcogen, Disordered, Pressure for structural transition

• Ba-Cu-O-Y
• Mg-O
• Ba-O-W
• Ba-Ce-O-Zr
• Ca-O-Ru
• disordered
• chalcogen
• alkaline
• transitional
• oxide
• tetragonal
• orthorhombic
• cubic
• trigonal
• monoclinic