Chalcogen, Disordered, Ternary, Structural transitions, Trigonal

• Cu-Fe-O
• Bi-Fe-O
• Li-O-Ta
• Bi-La-O
• Fe-Lu-O
• temperature for structural transition
• pressure for structural transition
• magnetic field for structural transition
• chalcogen
• disordered
• ternary
• transitional
• non-disordered