Chalcogen, Non-disordered, Transitional, Structural transitions

• Ba-O-Ti
• O-V
• Fe-O
• Fe-Se
• S-Ta
• temperature for structural transition
• pressure for structural transition
• structural transition
• transitional
• chalcogen
• non-disordered
• oxide
• conductor
• orthorhombic
• tetragonal
• cubic
• monoclinic
• trigonal