Disordered, Transitional, Structural transitions, Tetragonal

• Ba-O-Ti
• Fe-Te
• Ga-Mn-Ni
• Mg-Nb-O-Pb-Ti
• K-Na-Nb-O
• temperature for structural transition
• pressure for structural transition
• structural transition
• transitional
• disordered
• chalcogen
• oxide
• conductor