F-Nb, Fluoride, Phase transitions

• F-H-N-Nb-O
• F-K-Nb-O
• F-Nb-O
• F-Fe-Nb
• fusion
• temperature for congruent melting
• structural transitions
• temperature for structural transition
• transitional
• halogen
• fluoride
• chalcogen
• cubic
• monoclinic
• tetragonal
• orthorhombic
• trigonal