All 3-vertex, Disordered, Transitional, Trigonal

• Bi-Fe-O
• Li-Nb-O
• Sb-Zn
• Li-Ni-O
• Fe-N-Sm
• thermal and thermodynamic properties
• structural properties
• electronic and electrical properties
• magnetic properties
• phase transitions
• transitional
• disordered
• chalcogen
• oxide