Disordered, Phase transitions, Ta

• Bi-O-Sr-Ta
• Se-Ta
• O-Pb-Sc-Ta
• H-Ta
• O-Ta
• temperature for congruent melting
• fusion
• structural transitions
• temperature for structural transition
• transitional
• disordered
• chalcogen
• oxide
• cubic
• tetragonal
• orthorhombic
• hexagonal
• trigonal