Alkaline, Non-disordered, Transitional, Pressure for structural transition

• As-Ca-Fe
• O-Sr-W
• Ba-O-W
• As-Ba-Fe
• Ba-Cu-O-Y
• transitional
• alkaline
• non-disordered
• ternary
• chalcogen
• tetragonal
• orthorhombic
• monoclinic
• cubic
• trigonal