Bi-Nb, Debye or einstein temperature, Pnictogen

• Bi-Nb-O
• Bi-K-Na-Nb-O-Ti
• Ba-Bi-Nb-O
• Ba-Bi-K-Na-Nb-O-Ti
• Bi-Ca-Nb-O
• transitional
• pnictogen
• chalcogen
• oxide
• tetragonal
• orthorhombic
• cubic
• trigonal
• hexagonal