15-vertex frank-kasper, Phase transitions, Tetragonal, Transitional

• Cr-Ge
• Ba-Ca-Nb-O
• Cr-Fe
• Nb-Si
• Si-Ta
• fusion
• temperature for congruent melting
• structural transitions
• temperature for structural transition
• peritectic formation
• transitional
• intermetallic
• non-disordered
• disordered