Enthalpy of formation, K-Nb

• K-Nb-O
• K-Na-Nb-O
• F-K-Nb-O
• Cl-K-Nb
• Bi-K-Na-Nb-O-Ti
• transitional
• alkali
• chalcogen
• oxide
• orthorhombic
• tetragonal
• monoclinic
• cubic
• hexagonal