Alkali, Jouini

• K-Nb-O-P
• Li-O-P-Y
• As-Cr-K-O
• As-K-Nb-O
• Na-Nb-O-P
• structural properties
• phase transitions
• electronic and electrical properties
• phase diagram
• alkali
• chalcogen
• pnictogen
• transitional
• quaternary
• monoclinic
• orthorhombic
• trigonal
• triclinic
• cubic